389139430904 has 64 divisors (see below), whose sum is σ = 839450304000. Its totient is φ = 165661686144.

The previous prime is 389139430861. The next prime is 389139430907. The reversal of 389139430904 is 409034931983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389139430907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5102219 + ... + 5177925.

It is an arithmetic number, because the mean of its divisors is an integer number (13116411000).

Almost surely, 2^389139430904 is an apocalyptic number.

It is an amenable number.

389139430904 is an abundant number, since it is smaller than the sum of its proper divisors (450310873096).

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

389139430904 is a wasteful number, since it uses less digits than its factorization.

389139430904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76332 (or 76328 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 389139430904 in words is "three hundred eighty-nine billion, one hundred thirty-nine million, four hundred thirty thousand, nine hundred four".