385983664 has 40 divisors (see below), whose sum is σ = 829679040. Its totient is φ = 172468800.

The previous prime is 385983659. The next prime is 385983673. The reversal of 385983664 is 466389583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8202 + ... + 28969.

It is an arithmetic number, because the mean of its divisors is an integer number (20741976).

Almost surely, 2^385983664 is an apocalyptic number.

It is an amenable number.

385983664 is an abundant number, since it is smaller than the sum of its proper divisors (443695376).

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

385983664 is a wasteful number, since it uses less digits than its factorization.

385983664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37249 (or 37243 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 385983664 is about 19646.4669597360. The cubic root of 385983664 is about 728.0976703478.

The spelling of 385983664 in words is "three hundred eighty-five million, nine hundred eighty-three thousand, six hundred sixty-four".