315493492 has 12 divisors (see below), whose sum is σ = 552266596. Its totient is φ = 157703040.

The previous prime is 315493489. The next prime is 315493501. The reversal of 315493492 is 294394513.

It can be written as a sum of positive squares in 2 ways, for example, as 50324836 + 265168656 = 7094^2 + 16284^2 .

It is a super-2 number, since 2×315493492² = 199072286988708128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9598 + ... + 26890.

Almost surely, 2^315493492 is an apocalyptic number.

It is an amenable number.

315493492 is a deficient number, since it is larger than the sum of its proper divisors (236773104).

315493492 is a wasteful number, since it uses less digits than its factorization.

315493492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21858 (or 21856 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 315493492 is about 17762.1364705938. The cubic root of 315493492 is about 680.7643452546.

The spelling of 315493492 in words is "three hundred fifteen million, four hundred ninety-three thousand, four hundred ninety-two".