384329992 has 16 divisors (see below), whose sum is σ = 721112400. Its totient is φ = 192033360.

The previous prime is 384329987. The next prime is 384329993. The reversal of 384329992 is 299923483.

It is not an unprimeable number, because it can be changed into a prime (384329993) 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, 3442 + ... + 27937.

It is an arithmetic number, because the mean of its divisors is an integer number (45069525).

Almost surely, 2^384329992 is an apocalyptic number.

It is an amenable number.

384329992 is a deficient number, since it is larger than the sum of its proper divisors (336782408).

384329992 is a wasteful number, since it uses less digits than its factorization.

384329992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32916 (or 32912 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 384329992 is about 19604.3360509863. The cubic root of 384329992 is about 727.0563842073.

The spelling of 384329992 in words is "three hundred eighty-four million, three hundred twenty-nine thousand, nine hundred ninety-two".