389265904 has 10 divisors (see below), whose sum is σ = 754202720. Its totient is φ = 194632944.

The previous prime is 389265887. The next prime is 389265907. The reversal of 389265904 is 409562983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389265907) by changing a digit.

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 as a sum of consecutive naturals, namely, 12164544 + ... + 12164575.

It is an arithmetic number, because the mean of its divisors is an integer number (75420272).

Almost surely, 2^389265904 is an apocalyptic number.

It is an amenable number.

389265904 is a deficient number, since it is larger than the sum of its proper divisors (364936816).

389265904 is a wasteful number, since it uses less digits than its factorization.

389265904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24329127 (or 24329121 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 389265904 is about 19729.8227057417. The cubic root of 389265904 is about 730.1556583059.

It can be divided in two parts, 3892 and 65904, that added together give a palindrome (69796).

The spelling of 389265904 in words is "three hundred eighty-nine million, two hundred sixty-five thousand, nine hundred four".