It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 467 is not a prime number.
For example, 397 467 can be divided by 3: 397 467 / 3 = 132 489.
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For 397 467 to be a prime number, it would have been required that 397 467 has only two divisors, i.e., itself and 1.
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397 467 is an odd number, because it is not evenly divisible by 2.
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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 397 467 is about 630.450.
Thus, the square root of 397 467 is not an integer, and therefore 397 467 is not a square number.
The square of a number (here 397 467) is the result of the product of this number (397 467) by itself (i.e., 397 467 × 397 467); the square of 397 467 is sometimes called "raising 397 467 to the power 2", or "397 467 squared".
The square of 397 467 is 157 980 016 089 because 397 467 × 397 467 = 397 4672 = 157 980 016 089.
As a consequence, 397 467 is the square root of 157 980 016 089.
The multiples of 397 467 are all integers evenly divisible by 397 467, that is all numbers such that the remainder of the division by 397 467 is zero. There are infinitely many multiples of 397 467. The smallest multiples of 397 467 are: