315854864 has 20 divisors (see below), whose sum is σ = 659043756. Its totient is φ = 145779072.

The previous prime is 315854839. The next prime is 315854897. The reversal of 315854864 is 468458513.

It can be written as a sum of positive squares in 2 ways, for example, as 100000000 + 215854864 = 10000^2 + 14692^2 .

It is a super-2 number, since 2×315854864² = 199528590224916992, 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, 759059 + ... + 759474.

Almost surely, 2^315854864 is an apocalyptic number.

It is an amenable number.

315854864 is an abundant number, since it is smaller than the sum of its proper divisors (343188892).

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

315854864 is a wasteful number, since it uses less digits than its factorization.

315854864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518554 (or 1518548 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 315854864 is about 17772.3060968463. The cubic root of 315854864 is about 681.0241660445.

The spelling of 315854864 in words is "three hundred fifteen million, eight hundred fifty-four thousand, eight hundred sixty-four".