389234404 has 24 divisors (see below), whose sum is σ = 758855160. Its totient is φ = 173451264.

The previous prime is 389234371. The next prime is 389234449. The reversal of 389234404 is 404432983.

It can be written as a sum of positive squares in 4 ways, for example, as 119946304 + 269288100 = 10952^2 + 16410^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127549 + ... + 130564.

It is an arithmetic number, because the mean of its divisors is an integer number (31618965).

Almost surely, 2^389234404 is an apocalyptic number.

It is an amenable number.

389234404 is a deficient number, since it is larger than the sum of its proper divisors (369620756).

389234404 is a wasteful number, since it uses less digits than its factorization.

389234404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258159 (or 258157 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 389234404 is about 19729.0244056821. The cubic root of 389234404 is about 730.1359626656.

The spelling of 389234404 in words is "three hundred eighty-nine million, two hundred thirty-four thousand, four hundred four".