319479172 has 6 divisors (see below), whose sum is σ = 559088558. Its totient is φ = 159739584.

The previous prime is 319479169. The next prime is 319479203. The reversal of 319479172 is 271974913.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 234212416 + 85266756 = 15304^2 + 9234^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39934893 + ... + 39934900.

Almost surely, 2^319479172 is an apocalyptic number.

It is an amenable number.

319479172 is a deficient number, since it is larger than the sum of its proper divisors (239609386).

319479172 is a wasteful number, since it uses less digits than its factorization.

319479172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79869797 (or 79869795 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 319479172 is about 17873.9803065797. The cubic root of 319479172 is about 683.6190924340.

The spelling of 319479172 in words is "three hundred nineteen million, four hundred seventy-nine thousand, one hundred seventy-two".