383997164 has 12 divisors (see below), whose sum is σ = 674144184. Its totient is φ = 191384544.

The previous prime is 383997157. The next prime is 383997169. The reversal of 383997164 is 461799383.

It is not an unprimeable number, because it can be changed into a prime (383997169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152102 + ... + 154605.

It is an arithmetic number, because the mean of its divisors is an integer number (56178682).

Almost surely, 2^383997164 is an apocalyptic number.

It is an amenable number.

383997164 is a deficient number, since it is larger than the sum of its proper divisors (290147020).

383997164 is a wasteful number, since it uses less digits than its factorization.

383997164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307024 (or 307022 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 383997164 is about 19595.8455801223. The cubic root of 383997164 is about 726.8464477694.

The spelling of 383997164 in words is "three hundred eighty-three million, nine hundred ninety-seven thousand, one hundred sixty-four".