312393776 has 20 divisors (see below), whose sum is σ = 610922952. Its totient is φ = 154736256.

The previous prime is 312393773. The next prime is 312393779. The reversal of 312393776 is 677393213.

It is an interprime number because it is at equal distance from previous prime (312393773) and next prime (312393779).

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (312393773) 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 3 ways as a sum of consecutive naturals, for example, 89525 + ... + 92948.

Almost surely, 2^312393776 is an apocalyptic number.

It is an amenable number.

312393776 is a deficient number, since it is larger than the sum of its proper divisors (298529176).

312393776 is a wasteful number, since it uses less digits than its factorization.

312393776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182588 (or 182582 counting only the distinct ones).

The product of its digits is 142884, while the sum is 41.

The square root of 312393776 is about 17674.6648058740. The cubic root of 312393776 is about 678.5275057559.

The spelling of 312393776 in words is "three hundred twelve million, three hundred ninety-three thousand, seven hundred seventy-six".