393676064 has 24 divisors (see below), whose sum is σ = 775519920. Its totient is φ = 196718656.

The previous prime is 393676033. The next prime is 393676097. The reversal of 393676064 is 460676393.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76187 + ... + 81189.

It is an arithmetic number, because the mean of its divisors is an integer number (32313330).

Almost surely, 2^393676064 is an apocalyptic number.

It is an amenable number.

393676064 is a deficient number, since it is larger than the sum of its proper divisors (381843856).

393676064 is a wasteful number, since it uses less digits than its factorization.

393676064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472 (or 7464 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 44.

The square root of 393676064 is about 19841.2717334348. The cubic root of 393676064 is about 732.9027253447.

The spelling of 393676064 in words is "three hundred ninety-three million, six hundred seventy-six thousand, sixty-four".