312760868 has 48 divisors (see below), whose sum is σ = 634712064. Its totient is φ = 132088320.

The previous prime is 312760867. The next prime is 312760871. The reversal of 312760868 is 868067213.

It is a happy number.

It is a super-2 number, since 2×312760868² = 195638721104226848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312760867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999080 + ... + 999392.

It is an arithmetic number, because the mean of its divisors is an integer number (13223168).

Almost surely, 2^312760868 is an apocalyptic number.

It is an amenable number.

312760868 is an abundant number, since it is smaller than the sum of its proper divisors (321951196).

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

312760868 is a wasteful number, since it uses less digits than its factorization.

312760868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 312760868 is about 17685.0464517343. The cubic root of 312760868 is about 678.7931795486.

The spelling of 312760868 in words is "three hundred twelve million, seven hundred sixty thousand, eight hundred sixty-eight".