189534 has 16 divisors (see below), whose sum is σ = 391680. Its totient is φ = 61080.

The previous prime is 189529. The next prime is 189547. The reversal of 189534 is 435981.

It is a congruent number.

It is an unprimeable number.

189534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324 + ... + 695.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2¹⁸⁹⁵³⁴ is an apocalyptic number.

189534 is an abundant number, since it is smaller than the sum of its proper divisors (202146).

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

189534 is a wasteful number, since it uses less digits than its factorization.

189534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its digits is 4320, while the sum is 30.

The square root of 189534 is about 435.3550275350. The cubic root of 189534 is about 57.4419325576.

The spelling of 189534 in words is "one hundred eighty-nine thousand, five hundred thirty-four".