313729392 has 20 divisors (see below), whose sum is σ = 810467720. Its totient is φ = 104576448.

The previous prime is 313729363. The next prime is 313729397. The reversal of 313729392 is 293927313.

It is a super-2 number, since 2×313729392² = 196852262809379328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313729392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313729397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3267967 + ... + 3268062.

It is an arithmetic number, because the mean of its divisors is an integer number (40523386).

Almost surely, 2^313729392 is an apocalyptic number.

It is an amenable number.

313729392 is an abundant number, since it is smaller than the sum of its proper divisors (496738328).

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

313729392 is a wasteful number, since it uses less digits than its factorization.

313729392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536040 (or 6536034 counting only the distinct ones).

The product of its digits is 61236, while the sum is 39.

The square root of 313729392 is about 17712.4078543828. The cubic root of 313729392 is about 679.4931286161.

The spelling of 313729392 in words is "three hundred thirteen million, seven hundred twenty-nine thousand, three hundred ninety-two".