312986572 has 12 divisors (see below), whose sum is σ = 549749536. Its totient is φ = 155915280.

The previous prime is 312986549. The next prime is 312986573. The reversal of 312986572 is 275689213.

It is a super-2 number, since 2×312986572² = 195921188504622368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (312986573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143283 + ... + 145450.

Almost surely, 2^312986572 is an apocalyptic number.

It is an amenable number.

312986572 is a deficient number, since it is larger than the sum of its proper divisors (236762964).

312986572 is a wasteful number, since it uses less digits than its factorization.

312986572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289008 (or 289006 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 312986572 is about 17691.4265111664. The cubic root of 312986572 is about 678.9564240723.

The spelling of 312986572 in words is "three hundred twelve million, nine hundred eighty-six thousand, five hundred seventy-two".