It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 802 024 is not a prime number.
For example, 802 024 can be divided by 2: 802 024 / 2 = 401 012.
For 802 024 to be a prime number, it would have been required that 802 024 has only two divisors, i.e., itself and 1.
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802 024 is an even number, because it is evenly divisible by 2: 802 024 / 2 = 401 012.
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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 802 024 is about 895.558.
Thus, the square root of 802 024 is not an integer, and therefore 802 024 is not a square number.
The square of a number (here 802 024) is the result of the product of this number (802 024) by itself (i.e., 802 024 × 802 024); the square of 802 024 is sometimes called "raising 802 024 to the power 2", or "802 024 squared".
The square of 802 024 is 643 242 496 576 because 802 024 × 802 024 = 802 0242 = 643 242 496 576.
As a consequence, 802 024 is the square root of 643 242 496 576.
The multiples of 802 024 are all integers evenly divisible by 802 024, that is all numbers such that the remainder of the division by 802 024 is zero. There are infinitely many multiples of 802 024. The smallest multiples of 802 024 are: