317621964 has 24 divisors (see below), whose sum is σ = 808492608. Its totient is φ = 96249040.

The previous prime is 317621947. The next prime is 317621971. The reversal of 317621964 is 469126713.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202982 + ... + 1203245.

It is an arithmetic number, because the mean of its divisors is an integer number (33687192).

Almost surely, 2^317621964 is an apocalyptic number.

It is an amenable number.

317621964 is an abundant number, since it is smaller than the sum of its proper divisors (490870644).

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

317621964 is a wasteful number, since it uses less digits than its factorization.

317621964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406245 (or 2406243 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 317621964 is about 17821.9517449689. The cubic root of 317621964 is about 682.2918373876.

The spelling of 317621964 in words is "three hundred seventeen million, six hundred twenty-one thousand, nine hundred sixty-four".