189546 has 16 divisors (see below), whose sum is σ = 433344. Its totient is φ = 54144.

The previous prime is 189529. The next prime is 189547. The reversal of 189546 is 645981.

189546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×189546² = 71855372232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (27084).

2¹⁸⁹⁵⁴⁶ is an apocalyptic number.

189546 is an abundant number, since it is smaller than the sum of its proper divisors (243798).

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

189546 is a wasteful number, since it uses less digits than its factorization.

189546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525.

The product of its digits is 8640, while the sum is 33.

The square root of 189546 is about 435.3688091722. The cubic root of 189546 is about 57.4431448091.

The spelling of 189546 in words is "one hundred eighty-nine thousand, five hundred forty-six".