312397568 has 36 divisors (see below), whose sum is σ = 712661040. Its totient is φ = 133883904.

The previous prime is 312397567. The next prime is 312397583. The reversal of 312397568 is 865793213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312397567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85373 + ... + 88956.

It is an arithmetic number, because the mean of its divisors is an integer number (19796140).

Almost surely, 2^312397568 is an apocalyptic number.

It is an amenable number.

312397568 is an abundant number, since it is smaller than the sum of its proper divisors (400263472).

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

312397568 is an equidigital number, since it uses as much as digits as its factorization.

312397568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174352 (or 174338 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 312397568 is about 17674.7720777384. The cubic root of 312397568 is about 678.5302511860.

The spelling of 312397568 in words is "three hundred twelve million, three hundred ninety-seven thousand, five hundred sixty-eight".