389385898 has 16 divisors (see below), whose sum is σ = 651996576. Its totient is φ = 172877040.

The previous prime is 389385877. The next prime is 389385907. The reversal of 389385898 is 898583983.

It is a super-2 number, since 2×389385898² = 303242755122532808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204861 + ... + 206752.

It is an arithmetic number, because the mean of its divisors is an integer number (40749786).

Almost surely, 2^389385898 is an apocalyptic number.

389385898 is a deficient number, since it is larger than the sum of its proper divisors (262610678).

389385898 is a wasteful number, since it uses less digits than its factorization.

389385898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411669.

The product of its digits is 14929920, while the sum is 61.

The square root of 389385898 is about 19732.8634009360. The cubic root of 389385898 is about 730.2306758334.

The spelling of 389385898 in words is "three hundred eighty-nine million, three hundred eighty-five thousand, eight hundred ninety-eight".