384591664 has 40 divisors (see below), whose sum is σ = 759406752. Its totient is φ = 188643840.

The previous prime is 384591661. The next prime is 384591689. The reversal of 384591664 is 466195483.

It is not an unprimeable number, because it can be changed into a prime (384591661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263962 + ... + 265414.

Almost surely, 2^384591664 is an apocalyptic number.

It is an amenable number.

384591664 is a deficient number, since it is larger than the sum of its proper divisors (374815088).

384591664 is a wasteful number, since it uses less digits than its factorization.

384591664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1759 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 384591664 is about 19611.0087450901. The cubic root of 384591664 is about 727.2213528028.

The spelling of 384591664 in words is "three hundred eighty-four million, five hundred ninety-one thousand, six hundred sixty-four".