384399492 has 24 divisors (see below), whose sum is σ = 902876352. Its totient is φ = 127284000.

The previous prime is 384399443. The next prime is 384399527. The reversal of 384399492 is 294993483.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104259 + ... + 107882.

It is an arithmetic number, because the mean of its divisors is an integer number (37619848).

Almost surely, 2^384399492 is an apocalyptic number.

It is an amenable number.

384399492 is an abundant number, since it is smaller than the sum of its proper divisors (518476860).

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

384399492 is a wasteful number, since it uses less digits than its factorization.

384399492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212299 (or 212297 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 384399492 is about 19606.1085379022. The cubic root of 384399492 is about 727.1002071148.

The spelling of 384399492 in words is "three hundred eighty-four million, three hundred ninety-nine thousand, four hundred ninety-two".