317390984 has 32 divisors (see below), whose sum is σ = 627419520. Its totient is φ = 150222336.

The previous prime is 317390971. The next prime is 317391001. The reversal of 317390984 is 489093713.

It is a happy number.

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, 8957 + ... + 26739.

It is an arithmetic number, because the mean of its divisors is an integer number (19606860).

Almost surely, 2^317390984 is an apocalyptic number.

It is an amenable number.

317390984 is a deficient number, since it is larger than the sum of its proper divisors (310028536).

317390984 is a wasteful number, since it uses less digits than its factorization.

317390984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17909 (or 17905 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 317390984 is about 17815.4703558452. The cubic root of 317390984 is about 682.1264059377.

The spelling of 317390984 in words is "three hundred seventeen million, three hundred ninety thousand, nine hundred eighty-four".