319934644 has 18 divisors (see below), whose sum is σ = 573886502. Its totient is φ = 156062400.

The previous prime is 319934627. The next prime is 319934653. The reversal of 319934644 is 446439913.

It can be written as a sum of positive squares in 3 ways, for example, as 883600 + 319051044 = 940^2 + 17862^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 319934644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17067 + ... + 30514.

Almost surely, 2^319934644 is an apocalyptic number.

It is an amenable number.

319934644 is a deficient number, since it is larger than the sum of its proper divisors (253951858).

319934644 is a wasteful number, since it uses less digits than its factorization.

319934644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47667 (or 47624 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 319934644 is about 17886.7169709816. The cubic root of 319934644 is about 683.9438100052.

The spelling of 319934644 in words is "three hundred nineteen million, nine hundred thirty-four thousand, six hundred forty-four".