189089934 has 32 divisors (see below), whose sum is σ = 417208320. Its totient is φ = 56654400.

The previous prime is 189089933. The next prime is 189089941. The reversal of 189089934 is 439980981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189089933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10222 + ... + 21969.

It is an arithmetic number, because the mean of its divisors is an integer number (13037760).

Almost surely, 2^189089934 is an apocalyptic number.

189089934 is an abundant number, since it is smaller than the sum of its proper divisors (228118386).

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

189089934 is a wasteful number, since it uses less digits than its factorization.

189089934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32296.

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 189089934 is about 13750.9975638133. The cubic root of 189089934 is about 573.9703655580.

The spelling of 189089934 in words is "one hundred eighty-nine million, eighty-nine thousand, nine hundred thirty-four".