319934636 has 12 divisors (see below), whose sum is σ = 639869328. Its totient is φ = 137114832.

The previous prime is 319934627. The next prime is 319934653. The reversal of 319934636 is 636439913.

319934636 is an admirable 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, 5713091 + ... + 5713146.

It is an arithmetic number, because the mean of its divisors is an integer number (53322444).

Almost surely, 2^319934636 is an apocalyptic number.

It is an amenable number.

319934636 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.

319934636 is a wasteful number, since it uses less digits than its factorization.

319934636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426248 (or 11426246 counting only the distinct ones).

The product of its digits is 314928, while the sum is 44.

The square root of 319934636 is about 17886.7167473519. The cubic root of 319934636 is about 683.9438043045.

The spelling of 319934636 in words is "three hundred nineteen million, nine hundred thirty-four thousand, six hundred thirty-six".