189872 has 10 divisors (see below), whose sum is σ = 367908. Its totient is φ = 94928.

The previous prime is 189859. The next prime is 189877. The reversal of 189872 is 278981.

It is a happy number.

189872 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (189877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5918 + ... + 5949.

2¹⁸⁹⁸⁷² is an apocalyptic number.

It is an amenable number.

189872 is a deficient number, since it is larger than the sum of its proper divisors (178036).

189872 is a wasteful number, since it uses less digits than its factorization.

189872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875 (or 11869 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 189872 is about 435.7430435475. The cubic root of 189872 is about 57.4760580854.

The spelling of 189872 in words is "one hundred eighty-nine thousand, eight hundred seventy-two".