389013804 has 18 divisors (see below), whose sum is σ = 983340540. Its totient is φ = 129671256.

The previous prime is 389013803. The next prime is 389013811. The reversal of 389013804 is 408310983.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10805939 = 389013804 / (3 + 8 + 9 + 0 + 1 + 3 + 8 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (389013803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5402934 + ... + 5403005.

It is an arithmetic number, because the mean of its divisors is an integer number (54630030).

Almost surely, 2^389013804 is an apocalyptic number.

It is an amenable number.

389013804 is an abundant number, since it is smaller than the sum of its proper divisors (594326736).

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

389013804 is a wasteful number, since it uses less digits than its factorization.

389013804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805949 (or 10805944 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 389013804 is about 19723.4328655029. The cubic root of 389013804 is about 729.9980008702.

The spelling of 389013804 in words is "three hundred eighty-nine million, thirteen thousand, eight hundred four".