189312298 has 8 divisors (see below), whose sum is σ = 324535392. Its totient is φ = 81133836.

The previous prime is 189312283. The next prime is 189312307. The reversal of 189312298 is 892213981.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6761140 + ... + 6761167.

It is an arithmetic number, because the mean of its divisors is an integer number (40566924).

Almost surely, 2^189312298 is an apocalyptic number.

189312298 is a deficient number, since it is larger than the sum of its proper divisors (135223094).

189312298 is a wasteful number, since it uses less digits than its factorization.

189312298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13522316.

The product of its digits is 62208, while the sum is 43.

The square root of 189312298 is about 13759.0805652122. The cubic root of 189312298 is about 574.1952679744.

The spelling of 189312298 in words is "one hundred eighty-nine million, three hundred twelve thousand, two hundred ninety-eight".