189556 has 6 divisors (see below), whose sum is σ = 331730. Its totient is φ = 94776.

The previous prime is 189547. The next prime is 189559. The reversal of 189556 is 655981.

189556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 108900 + 80656 = 330^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23691 + ... + 23698.

2¹⁸⁹⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

189556 is a deficient number, since it is larger than the sum of its proper divisors (142174).

189556 is a wasteful number, since it uses less digits than its factorization.

189556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47393 (or 47391 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 189556 is about 435.3802935366. The cubic root of 189556 is about 57.4441549796. Note that the first 3 decimals are identical.

The spelling of 189556 in words is "one hundred eighty-nine thousand, five hundred fifty-six".