189316238 has 4 divisors (see below), whose sum is σ = 283974360. Its totient is φ = 94658118.

The previous prime is 189316213. The next prime is 189316241. The reversal of 189316238 is 832613981.

189316238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 189316195 and 189316204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47329058 + ... + 47329061.

It is an arithmetic number, because the mean of its divisors is an integer number (70993590).

Almost surely, 2^189316238 is an apocalyptic number.

189316238 is a deficient number, since it is larger than the sum of its proper divisors (94658122).

189316238 is an equidigital number, since it uses as much as digits as its factorization.

189316238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94658121.

The product of its digits is 62208, while the sum is 41.

The square root of 189316238 is about 13759.2237426390. The cubic root of 189316238 is about 574.1992513636.

The spelling of 189316238 in words is "one hundred eighty-nine million, three hundred sixteen thousand, two hundred thirty-eight".