It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 987 024 is not a prime number.
For example, 987 024 can be divided by 2: 987 024 / 2 = 493 512.
For 987 024 to be a prime number, it would have been required that 987 024 has only two divisors, i.e., itself and 1.
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987 024 is an even number, because it is evenly divisible by 2: 987 024 / 2 = 493 512.
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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 987 024 is about 993.491.
Thus, the square root of 987 024 is not an integer, and therefore 987 024 is not a square number.
The square of a number (here 987 024) is the result of the product of this number (987 024) by itself (i.e., 987 024 × 987 024); the square of 987 024 is sometimes called "raising 987 024 to the power 2", or "987 024 squared".
The square of 987 024 is 974 216 376 576 because 987 024 × 987 024 = 987 0242 = 974 216 376 576.
As a consequence, 987 024 is the square root of 974 216 376 576.
The multiples of 987 024 are all integers evenly divisible by 987 024, that is all numbers such that the remainder of the division by 987 024 is zero. There are infinitely many multiples of 987 024. The smallest multiples of 987 024 are: