189000938 has 24 divisors (see below), whose sum is σ = 330382944. Its totient is φ = 80854200.

The previous prime is 189000937. The next prime is 189000949. The reversal of 189000938 is 839000981.

It is not an unprimeable number, because it can be changed into a prime (189000937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66323 + ... + 69113.

It is an arithmetic number, because the mean of its divisors is an integer number (13765956).

Almost surely, 2^189000938 is an apocalyptic number.

189000938 is a deficient number, since it is larger than the sum of its proper divisors (141382006).

189000938 is a wasteful number, since it uses less digits than its factorization.

189000938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498 (or 3491 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 189000938 is about 13747.7611995554. The cubic root of 189000938 is about 573.8803042108.

The spelling of 189000938 in words is "one hundred eighty-nine million, nine hundred thirty-eight", and thus it is an aban number.