312990696 has 64 divisors (see below), whose sum is σ = 892939200. Its totient is φ = 101507904.

The previous prime is 312990631. The next prime is 312990709. The reversal of 312990696 is 696099213.

It is a happy number.

312990696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11590 + ... + 27573.

It is an arithmetic number, because the mean of its divisors is an integer number (13952175).

Almost surely, 2^312990696 is an apocalyptic number.

312990696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

312990696 is an abundant number, since it is smaller than the sum of its proper divisors (579948504).

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

312990696 is a wasteful number, since it uses less digits than its factorization.

312990696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39215 (or 39205 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 312990696 is about 17691.5430644136. The cubic root of 312990696 is about 678.9594061001.

The spelling of 312990696 in words is "three hundred twelve million, nine hundred ninety thousand, six hundred ninety-six".