189194952 has 32 divisors (see below), whose sum is σ = 474091200. Its totient is φ = 62917824.

The previous prime is 189194947. The next prime is 189194959. The reversal of 189194952 is 259491981.

It is not an unprimeable number, because it can be changed into a prime (189194959) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1558 + ... + 19514.

It is an arithmetic number, because the mean of its divisors is an integer number (14815350).

Almost surely, 2^189194952 is an apocalyptic number.

189194952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189194952 is an abundant number, since it is smaller than the sum of its proper divisors (284896248).

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

189194952 is a wasteful number, since it uses less digits than its factorization.

189194952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405 (or 18401 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The square root of 189194952 is about 13754.8155930932. The cubic root of 189194952 is about 574.0766043601.

It can be divided in two parts, 18919 and 4952, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 189194952 in words is "one hundred eighty-nine million, one hundred ninety-four thousand, nine hundred fifty-two".