384307992 has 48 divisors (see below), whose sum is σ = 1074415680. Its totient is φ = 123969600.

The previous prime is 384307951. The next prime is 384307997. The reversal of 384307992 is 299703483.

It is a happy number.

384307992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384307997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83859 + ... + 88322.

It is an arithmetic number, because the mean of its divisors is an integer number (22383660).

Almost surely, 2^384307992 is an apocalyptic number.

It is an amenable number.

384307992 is an abundant number, since it is smaller than the sum of its proper divisors (690107688).

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

384307992 is a wasteful number, since it uses less digits than its factorization.

384307992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172224 (or 172217 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 384307992 is about 19603.7749425972. The cubic root of 384307992 is about 727.0425111069.

The spelling of 384307992 in words is "three hundred eighty-four million, three hundred seven thousand, nine hundred ninety-two".