189844 has 12 divisors (see below), whose sum is σ = 343168. Its totient is φ = 91800.

The previous prime is 189823. The next prime is 189851. The reversal of 189844 is 448981.

189844 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642 + ... + 889.

2¹⁸⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

189844 is a deficient number, since it is larger than the sum of its proper divisors (153324).

189844 is a wasteful number, since it uses less digits than its factorization.

189844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1564 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 189844 is about 435.7109133359. The cubic root of 189844 is about 57.4732326578.

The spelling of 189844 in words is "one hundred eighty-nine thousand, eight hundred forty-four".