189315934 has 8 divisors (see below), whose sum is σ = 284255640. Its totient is φ = 94564056.

The previous prime is 189315899. The next prime is 189315941. The reversal of 189315934 is 439513981.

189315934 is digitally balanced in base 3, 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.

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, 44409 + ... + 48484.

It is an arithmetic number, because the mean of its divisors is an integer number (35531955).

Almost surely, 2^189315934 is an apocalyptic number.

189315934 is a deficient number, since it is larger than the sum of its proper divisors (94939706).

189315934 is a wasteful number, since it uses less digits than its factorization.

189315934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93914.

The product of its digits is 116640, while the sum is 43.

The square root of 189315934 is about 13759.2126954997. The cubic root of 189315934 is about 574.1989440177.

The spelling of 189315934 in words is "one hundred eighty-nine million, three hundred fifteen thousand, nine hundred thirty-four".