189935934 has 32 divisors (see below), whose sum is σ = 407897856. Its totient is φ = 58746240.

The previous prime is 189935899. The next prime is 189935953. The reversal of 189935934 is 439539981.

It is a happy number.

189935934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5872 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (12746808).

Almost surely, 2^189935934 is an apocalyptic number.

189935934 is an abundant number, since it is smaller than the sum of its proper divisors (217961922).

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

189935934 is a wasteful number, since it uses less digits than its factorization.

189935934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26320.

The product of its digits is 1049760, while the sum is 51.

The square root of 189935934 is about 13781.7246380850. The cubic root of 189935934 is about 574.8250850445.

The spelling of 189935934 in words is "one hundred eighty-nine million, nine hundred thirty-five thousand, nine hundred thirty-four".