394608904 has 16 divisors (see below), whose sum is σ = 744793920. Its totient is φ = 195997200.

The previous prime is 394608857. The next prime is 394608911. The reversal of 394608904 is 409806493.

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, 162124 + ... + 164539.

It is an arithmetic number, because the mean of its divisors is an integer number (46549620).

Almost surely, 2^394608904 is an apocalyptic number.

It is an amenable number.

394608904 is a deficient number, since it is larger than the sum of its proper divisors (350185016).

394608904 is a wasteful number, since it uses less digits than its factorization.

394608904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326820 (or 326816 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 394608904 is about 19864.7653900065. The cubic root of 394608904 is about 733.4811549575.

The spelling of 394608904 in words is "three hundred ninety-four million, six hundred eight thousand, nine hundred four".