189310234 has 4 divisors (see below), whose sum is σ = 283965354. Its totient is φ = 94655116.

The previous prime is 189310229. The next prime is 189310237. The reversal of 189310234 is 432013981.

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

It can be written as a sum of positive squares in only one way, i.e., 160655625 + 28654609 = 12675^2 + 5353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189310196 and 189310205.

It is not an unprimeable number, because it can be changed into a prime (189310237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47327557 + ... + 47327560.

Almost surely, 2^189310234 is an apocalyptic number.

189310234 is a deficient number, since it is larger than the sum of its proper divisors (94655120).

189310234 is an equidigital number, since it uses as much as digits as its factorization.

189310234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94655119.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 189310234 is about 13759.0055599960. The cubic root of 189310234 is about 574.1931812226.

The spelling of 189310234 in words is "one hundred eighty-nine million, three hundred ten thousand, two hundred thirty-four".