319680939 has 8 divisors (see below), whose sum is σ = 433465920. Its totient is φ = 209508296.

The previous prime is 319680901. The next prime is 319680941. The reversal of 319680939 is 939086913.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 319680939 - 2⁷ = 319680811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (319680989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902877 + ... + 903230.

It is an arithmetic number, because the mean of its divisors is an integer number (54183240).

Almost surely, 2^319680939 is an apocalyptic number.

319680939 is a deficient number, since it is larger than the sum of its proper divisors (113784981).

319680939 is a wasteful number, since it uses less digits than its factorization.

319680939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806169.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 319680939 is about 17879.6235698630. The cubic root of 319680939 is about 683.7629753104.

The spelling of 319680939 in words is "three hundred nineteen million, six hundred eighty thousand, nine hundred thirty-nine".