189038706 has 16 divisors (see below), whose sum is σ = 378256800. Its totient is φ = 62983008.

The previous prime is 189038699. The next prime is 189038711. The reversal of 189038706 is 607830981.

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, 9030 + ... + 21438.

It is an arithmetic number, because the mean of its divisors is an integer number (23641050).

Almost surely, 2^189038706 is an apocalyptic number.

189038706 is an abundant number, since it is smaller than the sum of its proper divisors (189218094).

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

189038706 is a wasteful number, since it uses less digits than its factorization.

189038706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14953.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 189038706 is about 13749.1347364116. The cubic root of 189038706 is about 573.9185277738.

The spelling of 189038706 in words is "one hundred eighty-nine million, thirty-eight thousand, seven hundred six".