317420416 has 16 divisors (see below), whose sum is σ = 632361240. Its totient is φ = 158710144.

The previous prime is 317420351. The next prime is 317420419. The reversal of 317420416 is 614024713.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×317420416² = 201511440987226112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317420419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239796 + ... + 1240051.

Almost surely, 2^317420416 is an apocalyptic number.

It is an amenable number.

317420416 is a deficient number, since it is larger than the sum of its proper divisors (314940824).

317420416 is an equidigital number, since it uses as much as digits as its factorization.

317420416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479861 (or 2479849 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 317420416 is about 17816.2963603550. The cubic root of 317420416 is about 682.1474900525.

The spelling of 317420416 in words is "three hundred seventeen million, four hundred twenty thousand, four hundred sixteen".