394319344 has 20 divisors (see below), whose sum is σ = 764314920. Its totient is φ = 197076800.

The previous prime is 394319339. The next prime is 394319357. The reversal of 394319344 is 443913493.

It is a junction number, because it is equal to n+sod(n) for n = 394319297 and 394319306.

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, 55887 + ... + 62545.

It is an arithmetic number, because the mean of its divisors is an integer number (38215746).

Almost surely, 2^394319344 is an apocalyptic number.

It is an amenable number.

394319344 is a deficient number, since it is larger than the sum of its proper divisors (369995576).

394319344 is a wasteful number, since it uses less digits than its factorization.

394319344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368 (or 10362 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 394319344 is about 19857.4757711044. The cubic root of 394319344 is about 733.3017040536.

The spelling of 394319344 in words is "three hundred ninety-four million, three hundred nineteen thousand, three hundred forty-four".