319356404 has 12 divisors (see below), whose sum is σ = 560661444. Its totient is φ = 159167424.

The previous prime is 319356397. The next prime is 319356431. The reversal of 319356404 is 404653913.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77616100 + 241740304 = 8810^2 + 15548^2 .

It is a super-2 number, since 2×319356404² = 203977025551622432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 126287 + ... + 128790.

It is an arithmetic number, because the mean of its divisors is an integer number (46721787).

Almost surely, 2^319356404 is an apocalyptic number.

It is an amenable number.

319356404 is a deficient number, since it is larger than the sum of its proper divisors (241305040).

319356404 is a wasteful number, since it uses less digits than its factorization.

319356404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255394 (or 255392 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 319356404 is about 17870.5457107499. The cubic root of 319356404 is about 683.5315152055.

The spelling of 319356404 in words is "three hundred nineteen million, three hundred fifty-six thousand, four hundred four".