394964616 has 16 divisors (see below), whose sum is σ = 987411600. Its totient is φ = 131654864.

The previous prime is 394964599. The next prime is 394964623. The reversal of 394964616 is 616469493.

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, 8228406 + ... + 8228453.

It is an arithmetic number, because the mean of its divisors is an integer number (61713225).

Almost surely, 2^394964616 is an apocalyptic number.

It is an amenable number.

394964616 is an abundant number, since it is smaller than the sum of its proper divisors (592446984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394964616 is a wasteful number, since it uses less digits than its factorization.

394964616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456868 (or 16456864 counting only the distinct ones).

The product of its digits is 839808, while the sum is 48.

The square root of 394964616 is about 19873.7167132874. The cubic root of 394964616 is about 733.7014825515.

The spelling of 394964616 in words is "three hundred ninety-four million, nine hundred sixty-four thousand, six hundred sixteen".