319324394 has 8 divisors (see below), whose sum is σ = 495503460. Its totient is φ = 154156576.

The previous prime is 319324373. The next prime is 319324451. The reversal of 319324394 is 493423913.

It is a happy number.

319324394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 301473769 + 17850625 = 17363^2 + 4225^2 .

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

It is a Curzon 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, 2752739 + ... + 2752854.

Almost surely, 2^319324394 is an apocalyptic number.

319324394 is a deficient number, since it is larger than the sum of its proper divisors (176179066).

319324394 is a wasteful number, since it uses less digits than its factorization.

319324394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505624.

The product of its digits is 69984, while the sum is 38.

The square root of 319324394 is about 17869.6500805136. The cubic root of 319324394 is about 683.5086770070.

Subtracting from 319324394 its sum of digits (38), we obtain a triangular number (319324356 = T₂₅₂₇₁).

The spelling of 319324394 in words is "three hundred nineteen million, three hundred twenty-four thousand, three hundred ninety-four".