317883940 has 36 divisors (see below), whose sum is σ = 733765788. Its totient is φ = 115593280.

The previous prime is 317883911. The next prime is 317883961. The reversal of 317883940 is 49388713.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96707556 + 221176384 = 9834^2 + 14872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63259 + ... + 68098.

It is an arithmetic number, because the mean of its divisors is an integer number (20382383).

Almost surely, 2^317883940 is an apocalyptic number.

It is an amenable number.

317883940 is an abundant number, since it is smaller than the sum of its proper divisors (415881848).

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

317883940 is a wasteful number, since it uses less digits than its factorization.

317883940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131388 (or 131375 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 317883940 is about 17829.3000423460. The cubic root of 317883940 is about 682.4793716119.

The spelling of 317883940 in words is "three hundred seventeen million, eight hundred eighty-three thousand, nine hundred forty".