384904894 has 32 divisors (see below), whose sum is σ = 641799936. Its totient is φ = 171669120.

The previous prime is 384904873. The next prime is 384904903. The reversal of 384904894 is 498409483.

It is a congruent 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, 265279 + ... + 266725.

It is an arithmetic number, because the mean of its divisors is an integer number (20056248).

Almost surely, 2^384904894 is an apocalyptic number.

384904894 is a deficient number, since it is larger than the sum of its proper divisors (256895042).

384904894 is a wasteful number, since it uses less digits than its factorization.

384904894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 384904894 is about 19618.9931953707. The cubic root of 384904894 is about 727.4187272766.

The spelling of 384904894 in words is "three hundred eighty-four million, nine hundred four thousand, eight hundred ninety-four".