318786464 has 12 divisors (see below), whose sum is σ = 627610914. Its totient is φ = 159393216.

The previous prime is 318786443. The next prime is 318786497. The reversal of 318786464 is 464687813.

It is a happy number.

318786464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 305970064 + 12816400 = 17492^2 + 3580^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981007 + ... + 4981070.

Almost surely, 2^318786464 is an apocalyptic number.

It is an amenable number.

318786464 is a deficient number, since it is larger than the sum of its proper divisors (308824450).

318786464 is an equidigital number, since it uses as much as digits as its factorization.

318786464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962087 (or 9962079 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 318786464 is about 17854.5922384131. The cubic root of 318786464 is about 683.1246511428.

The spelling of 318786464 in words is "three hundred eighteen million, seven hundred eighty-six thousand, four hundred sixty-four".