389119188 has 24 divisors (see below), whose sum is σ = 961353792. Its totient is φ = 122076544.

The previous prime is 389119147. The next prime is 389119193. The reversal of 389119188 is 881911983.

It is a congruent number.

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, 953520 + ... + 953927.

It is an arithmetic number, because the mean of its divisors is an integer number (40056408).

Almost surely, 2^389119188 is an apocalyptic number.

It is an amenable number.

389119188 is an abundant number, since it is smaller than the sum of its proper divisors (572234604).

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

389119188 is a wasteful number, since it uses less digits than its factorization.

389119188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907471 (or 1907469 counting only the distinct ones).

The product of its digits is 124416, while the sum is 48.

The square root of 389119188 is about 19726.1042276472. The cubic root of 389119188 is about 730.0639138385.

The spelling of 389119188 in words is "three hundred eighty-nine million, one hundred nineteen thousand, one hundred eighty-eight".