189192 has 16 divisors (see below), whose sum is σ = 473040. Its totient is φ = 63056.

The previous prime is 189187. The next prime is 189199. The reversal of 189192 is 291981.

It is a super-2 number, since 2×189192² = 71587225728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189199) by changing a digit.

189192 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3918 + ... + 3965.

It is an arithmetic number, because the mean of its divisors is an integer number (29565).

2¹⁸⁹¹⁹² is an apocalyptic number.

189192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189192 is an abundant number, since it is smaller than the sum of its proper divisors (283848).

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

189192 is a wasteful number, since it uses less digits than its factorization.

189192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892 (or 7888 counting only the distinct ones).

The product of its digits is 1296, while the sum is 30.

The square root of 189192 is about 434.9620673116. The cubic root of 189192 is about 57.4073618581.

The spelling of 189192 in words is "one hundred eighty-nine thousand, one hundred ninety-two".