389342888 has 96 divisors (see below), whose sum is σ = 856638720. Its totient is φ = 164256000.

The previous prime is 389342879. The next prime is 389342911. The reversal of 389342888 is 888243983.

Its product of digits (2654208) is a multiple of the sum of its prime divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6599003 + ... + 6599061.

It is an arithmetic number, because the mean of its divisors is an integer number (8923320).

Almost surely, 2^389342888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389342888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428319360).

389342888 is an abundant number, since it is smaller than the sum of its proper divisors (467295832).

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

389342888 is a wasteful number, since it uses less digits than its factorization.

389342888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 144 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The square root of 389342888 is about 19731.7735644822. The cubic root of 389342888 is about 730.2037887291.

The spelling of 389342888 in words is "three hundred eighty-nine million, three hundred forty-two thousand, eight hundred eighty-eight".