389238016 has 36 divisors (see below), whose sum is σ = 810748512. Its totient is φ = 186154496.

The previous prime is 389238007. The next prime is 389238037. The reversal of 389238016 is 610832983.

It is a self number, because there is not a number n which added to its sum of digits gives 389238016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27166 + ... + 38941.

It is an arithmetic number, because the mean of its divisors is an integer number (22520792).

Almost surely, 2^389238016 is an apocalyptic number.

It is an amenable number.

389238016 is an abundant number, since it is smaller than the sum of its proper divisors (421510496).

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

389238016 is an equidigital number, since it uses as much as digits as its factorization.

389238016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66146 (or 66132 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 389238016 is about 19729.1159457285. The cubic root of 389238016 is about 730.1382211529.

The spelling of 389238016 in words is "three hundred eighty-nine million, two hundred thirty-eight thousand, sixteen".