diff --git a/lodash.js b/lodash.js
index e03f762b0..aeb94c13b 100644
--- a/lodash.js
+++ b/lodash.js
@@ -4148,15 +4148,15 @@
     function createRound(methodName) {
       var func = Math[methodName];
       return function(number, precision) {
+        number = toNumber(number);
         precision = precision ? toInteger(precision) : 0;
         if (precision) {
           // Shift with exponential notation to avoid floating-point issues.
           // See [MDN](https://mdn.io/round#Examples) for more details.
-          var pair = (+number + 'e').split('e'),
-              value = func(pair[0] + 'e' + (+pair[1] + precision));
-
+          var pair = (toString(number) + 'e').split('e'),
+              value = toString(func(pair[0] + 'e' + (+pair[1] + precision)));
           pair = (value + 'e').split('e');
-          return +(pair[0] + 'e' + (pair[1] - precision));
+          return +(pair[0] + 'e' + (+pair[1] - precision));
         }
         return func(number);
       };
diff --git a/test/test.js b/test/test.js
index 0c537da9f..bbdac2f5e 100644
--- a/test/test.js
+++ b/test/test.js
@@ -16130,7 +16130,19 @@
 
       actual = func('5e1e1', 1);
       assert.deepEqual(actual, NaN);
+    });
 
+    QUnit.test('`_.' + methodName + '` should preserve sign of `0`', function(assert) {
+      assert.expect(1);
+
+      var values = [[0], [-0], ['0'], ['-0'], [0, 1], [-0, 1], ['0', 1], ['-0', 1]],
+          expected = [Infinity, -Infinity, Infinity, -Infinity, Infinity, -Infinity, Infinity, -Infinity];
+
+      var actual = lodashStable.map(values, function(args) {
+        return 1 / func.apply(undefined, args);
+      });
+
+      assert.deepEqual(actual, expected);
     });
   });