389304381830 has 64 divisors (see below), whose sum is σ = 870998341248. Its totient is φ = 121988505600.

The previous prime is 389304381779. The next prime is 389304381901. The reversal of 389304381830 is 38183403983.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2025947 + ... + 2209766.

It is an arithmetic number, because the mean of its divisors is an integer number (13609349082).

Almost surely, 2^389304381830 is an apocalyptic number.

389304381830 is an abundant number, since it is smaller than the sum of its proper divisors (481693959418).

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

389304381830 is a wasteful number, since it uses less digits than its factorization.

389304381830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235841.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 389304381830 in words is "three hundred eighty-nine billion, three hundred four million, three hundred eighty-one thousand, eight hundred thirty".