317285872 has 10 divisors (see below), whose sum is σ = 614741408. Its totient is φ = 158642928.

The previous prime is 317285869. The next prime is 317285873. The reversal of 317285872 is 278582713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317285873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9915168 + ... + 9915199.

Almost surely, 2^317285872 is an apocalyptic number.

It is an amenable number.

317285872 is a deficient number, since it is larger than the sum of its proper divisors (297455536).

317285872 is a wasteful number, since it uses less digits than its factorization.

317285872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19830375 (or 19830369 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 317285872 is about 17812.5200912167. The cubic root of 317285872 is about 682.0510965234.

The spelling of 317285872 in words is "three hundred seventeen million, two hundred eighty-five thousand, eight hundred seventy-two".