384318492 has 12 divisors (see below), whose sum is σ = 896743176. Its totient is φ = 128106160.

The previous prime is 384318421. The next prime is 384318503. The reversal of 384318492 is 294813483.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16013259 + ... + 16013282.

It is an arithmetic number, because the mean of its divisors is an integer number (74728598).

Almost surely, 2^384318492 is an apocalyptic number.

It is an amenable number.

384318492 is an abundant number, since it is smaller than the sum of its proper divisors (512424684).

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

384318492 is a wasteful number, since it uses less digits than its factorization.

384318492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32026548 (or 32026546 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 384318492 is about 19604.0427463317. The cubic root of 384318492 is about 727.0491324254.

The spelling of 384318492 in words is "three hundred eighty-four million, three hundred eighteen thousand, four hundred ninety-two".