198186234 has 16 divisors (see below), whose sum is σ = 396516288. Its totient is φ = 66038112.

The previous prime is 198186227. The next prime is 198186253. The reversal of 198186234 is 432681891.

198186234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21939 + ... + 29625.

It is an arithmetic number, because the mean of its divisors is an integer number (24782268).

Almost surely, 2^198186234 is an apocalyptic number.

198186234 is an abundant number, since it is smaller than the sum of its proper divisors (198330054).

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

198186234 is a wasteful number, since it uses less digits than its factorization.

198186234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989.

The product of its digits is 82944, while the sum is 42.

The square root of 198186234 is about 14077.8632611629. The cubic root of 198186234 is about 583.0303485247.

The spelling of 198186234 in words is "one hundred ninety-eight million, one hundred eighty-six thousand, two hundred thirty-four".