313906938 has 32 divisors (see below), whose sum is σ = 671618304. Its totient is φ = 97462272.

The previous prime is 313906909. The next prime is 313906939. The reversal of 313906938 is 839609313.

It is a self number, because there is not a number n which added to its sum of digits gives 313906938.

It is not an unprimeable number, because it can be changed into a prime (313906939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970 + ... + 25757.

It is an arithmetic number, because the mean of its divisors is an integer number (20988072).

Almost surely, 2^313906938 is an apocalyptic number.

313906938 is an abundant number, since it is smaller than the sum of its proper divisors (357711366).

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

313906938 is a wasteful number, since it uses less digits than its factorization.

313906938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31846.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 313906938 is about 17717.4190558332. The cubic root of 313906938 is about 679.6212842171.

The spelling of 313906938 in words is "three hundred thirteen million, nine hundred six thousand, nine hundred thirty-eight".