313897836 has 48 divisors (see below), whose sum is σ = 873460224. Its totient is φ = 85785216.

The previous prime is 313897823. The next prime is 313897861. The reversal of 313897836 is 638798313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79305 + ... + 83168.

It is an arithmetic number, because the mean of its divisors is an integer number (18197088).

Almost surely, 2^313897836 is an apocalyptic number.

It is an amenable number.

313897836 is an abundant number, since it is smaller than the sum of its proper divisors (559562388).

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

313897836 is a wasteful number, since it uses less digits than its factorization.

313897836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162510 (or 162508 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 313897836 is about 17717.1621881158. The cubic root of 313897836 is about 679.6147154203.

The spelling of 313897836 in words is "three hundred thirteen million, eight hundred ninety-seven thousand, eight hundred thirty-six".