189572 has 12 divisors (see below), whose sum is σ = 336336. Its totient is φ = 93480.

The previous prime is 189559. The next prime is 189583. The reversal of 189572 is 275981.

It is an unprimeable number.

189572 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, 47 + ... + 617.

It is an arithmetic number, because the mean of its divisors is an integer number (28028).

2¹⁸⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

189572 is a deficient number, since it is larger than the sum of its proper divisors (146764).

189572 is a wasteful number, since it uses less digits than its factorization.

189572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 189572 is about 435.3986678896. The cubic root of 189572 is about 57.4457711786.

The spelling of 189572 in words is "one hundred eighty-nine thousand, five hundred seventy-two".