315992992 has 24 divisors (see below), whose sum is σ = 710984736. Its totient is φ = 135425472.

The previous prime is 315992981. The next prime is 315993011. The reversal of 315992992 is 299299513.

It is a happy number.

It is a super-2 number, since 2×315992992² = 199703141986224128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705118 + ... + 705565.

It is an arithmetic number, because the mean of its divisors is an integer number (29624364).

Almost surely, 2^315992992 is an apocalyptic number.

315992992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315992992 is an abundant number, since it is smaller than the sum of its proper divisors (394991744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315992992 is a wasteful number, since it uses less digits than its factorization.

315992992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410700 (or 1410692 counting only the distinct ones).

The product of its digits is 393660, while the sum is 49.

The square root of 315992992 is about 17776.1917181381. The cubic root of 315992992 is about 681.1234255542.

The spelling of 315992992 in words is "three hundred fifteen million, nine hundred ninety-two thousand, nine hundred ninety-two".