384866538 has 32 divisors (see below), whose sum is σ = 880857600. Its totient is φ = 109816560.

The previous prime is 384866513. The next prime is 384866579. The reversal of 384866538 is 835668483.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28413 + ... + 39711.

It is an arithmetic number, because the mean of its divisors is an integer number (27526800).

Almost surely, 2^384866538 is an apocalyptic number.

384866538 is an abundant number, since it is smaller than the sum of its proper divisors (495991062).

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

384866538 is a wasteful number, since it uses less digits than its factorization.

384866538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122.

The product of its digits is 3317760, while the sum is 51.

The square root of 384866538 is about 19618.0156488876. The cubic root of 384866538 is about 727.3945639054.

The spelling of 384866538 in words is "three hundred eighty-four million, eight hundred sixty-six thousand, five hundred thirty-eight".