317989446 has 8 divisors (see below), whose sum is σ = 635978904. Its totient is φ = 105996480.

The previous prime is 317989439. The next prime is 317989487. The reversal of 317989446 is 644989713.

It is a sphenic number, since it is the product of 3 distinct primes.

317989446 is an admirable number.

It is a super-2 number, since 2×317989446² = 202234575534773832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26499115 + ... + 26499126.

It is an arithmetic number, because the mean of its divisors is an integer number (79497363).

Almost surely, 2^317989446 is an apocalyptic number.

317989446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

317989446 is a wasteful number, since it uses less digits than its factorization.

317989446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52998246.

The product of its digits is 1306368, while the sum is 51.

The square root of 317989446 is about 17832.2585782060. The cubic root of 317989446 is about 682.5548684571.

The spelling of 317989446 in words is "three hundred seventeen million, nine hundred eighty-nine thousand, four hundred forty-six".