188089 has 4 divisors (see below), whose sum is σ = 205200. Its totient is φ = 170980.

The previous prime is 188029. The next prime is 188107. The reversal of 188089 is 980881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 188089 - 2¹¹ = 186041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8539 + ... + 8560.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2¹⁸⁸⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

188089 is a deficient number, since it is larger than the sum of its proper divisors (17111).

188089 is a wasteful number, since it uses less digits than its factorization.

188089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17110.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 188089 is about 433.6922872268. The cubic root of 188089 is about 57.2955816315.

The spelling of 188089 in words is "one hundred eighty-eight thousand, eighty-nine".