189331734 has 8 divisors (see below), whose sum is σ = 378663480. Its totient is φ = 63110576.

The previous prime is 189331697. The next prime is 189331757. The reversal of 189331734 is 437133981.

It is a happy number.

189331734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

189331734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 189331692 and 189331701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15777639 + ... + 15777650.

It is an arithmetic number, because the mean of its divisors is an integer number (47332935).

Almost surely, 2^189331734 is an apocalyptic number.

189331734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189331734 is a wasteful number, since it uses less digits than its factorization.

189331734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555294.

The product of its digits is 54432, while the sum is 39.

The square root of 189331734 is about 13759.7868442792. The cubic root of 189331734 is about 574.2149174768.

The spelling of 189331734 in words is "one hundred eighty-nine million, three hundred thirty-one thousand, seven hundred thirty-four".