389881896 has 16 divisors (see below), whose sum is σ = 974704800. Its totient is φ = 129960624.

The previous prime is 389881879. The next prime is 389881907. The reversal of 389881896 is 698188983.

It is a happy 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, 8122516 + ... + 8122563.

It is an arithmetic number, because the mean of its divisors is an integer number (60919050).

Almost surely, 2^389881896 is an apocalyptic number.

It is an amenable number.

389881896 is an abundant number, since it is smaller than the sum of its proper divisors (584822904).

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

389881896 is a wasteful number, since it uses less digits than its factorization.

389881896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16245088 (or 16245084 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 60.

The square root of 389881896 is about 19745.4272174597. The cubic root of 389881896 is about 730.5405991244.

The spelling of 389881896 in words is "three hundred eighty-nine million, eight hundred eighty-one thousand, eight hundred ninety-six".