It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 498 988 is not a prime number.
For example, 498 988 can be divided by 2: 498 988 / 2 = 249 494.
For 498 988 to be a prime number, it would have been required that 498 988 has only two divisors, i.e., itself and 1.
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498 988 is an even number, because it is evenly divisible by 2: 498 988 / 2 = 249 494.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 498 988 is about 706.391.
Thus, the square root of 498 988 is not an integer, and therefore 498 988 is not a square number.
The square of a number (here 498 988) is the result of the product of this number (498 988) by itself (i.e., 498 988 × 498 988); the square of 498 988 is sometimes called "raising 498 988 to the power 2", or "498 988 squared".
The square of 498 988 is 248 989 024 144 because 498 988 × 498 988 = 498 9882 = 248 989 024 144.
As a consequence, 498 988 is the square root of 248 989 024 144.
The multiples of 498 988 are all integers evenly divisible by 498 988, that is all numbers such that the remainder of the division by 498 988 is zero. There are infinitely many multiples of 498 988. The smallest multiples of 498 988 are: