312490996 has 12 divisors (see below), whose sum is σ = 547035552. Its totient is φ = 156195128.

The previous prime is 312490973. The next prime is 312490999. The reversal of 312490996 is 699094213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312490999) 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, 3711 + ... + 25273.

It is an arithmetic number, because the mean of its divisors is an integer number (45586296).

Almost surely, 2^312490996 is an apocalyptic number.

It is an amenable number.

312490996 is a deficient number, since it is larger than the sum of its proper divisors (234544556).

312490996 is a wasteful number, since it uses less digits than its factorization.

312490996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25190 (or 25188 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 312490996 is about 17677.4148562509. The cubic root of 312490996 is about 678.5978865885.

The spelling of 312490996 in words is "three hundred twelve million, four hundred ninety thousand, nine hundred ninety-six".