394641316 has 24 divisors (see below), whose sum is σ = 697132800. Its totient is φ = 195470112.

The previous prime is 394641301. The next prime is 394641353. The reversal of 394641316 is 613146493.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201510 + ... + 203458.

It is an arithmetic number, because the mean of its divisors is an integer number (29047200).

Almost surely, 2^394641316 is an apocalyptic number.

It is an amenable number.

394641316 is a deficient number, since it is larger than the sum of its proper divisors (302491484).

394641316 is a wasteful number, since it uses less digits than its factorization.

394641316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2401 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 394641316 is about 19865.5811895852. The cubic root of 394641316 is about 733.5012363935.

The spelling of 394641316 in words is "three hundred ninety-four million, six hundred forty-one thousand, three hundred sixteen".