190089 has 6 divisors (see below), whose sum is σ = 274586. Its totient is φ = 126720.

The previous prime is 190063. The next prime is 190093. The reversal of 190089 is 980091.

190089 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., 176400 + 13689 = 420^2 + 117^2 .

It is not a de Polignac number, because 190089 - 2⁷ = 189961 is a prime.

It is a super-2 number, since 2×190089² = 72267655842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10552 + ... + 10569.

2¹⁹⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

190089 is a deficient number, since it is larger than the sum of its proper divisors (84497).

190089 is a wasteful number, since it uses less digits than its factorization.

190089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21127 (or 21124 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 190089 is about 435.9919724032. The cubic root of 190089 is about 57.4979457363.

The spelling of 190089 in words is "one hundred ninety thousand, eighty-nine".