389376188 has 6 divisors (see below), whose sum is σ = 681408336. Its totient is φ = 194688092.

The previous prime is 389376181. The next prime is 389376199. The reversal of 389376188 is 881673983.

It is a super-2 number, since 2×389376188² = 303227631562822688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389376181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48672020 + ... + 48672027.

It is an arithmetic number, because the mean of its divisors is an integer number (113568056).

Almost surely, 2^389376188 is an apocalyptic number.

It is an amenable number.

389376188 is a deficient number, since it is larger than the sum of its proper divisors (292032148).

389376188 is a wasteful number, since it uses less digits than its factorization.

389376188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97344051 (or 97344049 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 389376188 is about 19732.6173631376. The cubic root of 389376188 is about 730.2246059348.

The spelling of 389376188 in words is "three hundred eighty-nine million, three hundred seventy-six thousand, one hundred eighty-eight".