189530 has 16 divisors (see below), whose sum is σ = 372384. Its totient is φ = 68880.

The previous prime is 189529. The next prime is 189547. The reversal of 189530 is 35981.

189530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752 + ... + 971.

It is an arithmetic number, because the mean of its divisors is an integer number (23274).

2¹⁸⁹⁵³⁰ is an apocalyptic number.

189530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189530 is a deficient number, since it is larger than the sum of its proper divisors (182854).

189530 is a wasteful number, since it uses less digits than its factorization.

189530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 189530 is about 435.3504335590. The cubic root of 189530 is about 57.4415284624.

The spelling of 189530 in words is "one hundred eighty-nine thousand, five hundred thirty".