394739008 has 28 divisors (see below), whose sum is σ = 784026880. Its totient is φ = 197188992.

The previous prime is 394738999. The next prime is 394739029. The reversal of 394739008 is 800937493.

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, 92833 + ... + 96991.

It is an arithmetic number, because the mean of its divisors is an integer number (28000960).

Almost surely, 2^394739008 is an apocalyptic number.

It is an amenable number.

394739008 is a deficient number, since it is larger than the sum of its proper divisors (389287872).

394739008 is a wasteful number, since it uses less digits than its factorization.

394739008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 394739008 is about 19868.0398630564. The cubic root of 394739008 is about 733.5617565738.

The spelling of 394739008 in words is "three hundred ninety-four million, seven hundred thirty-nine thousand, eight".