33189 has 16 divisors (see below), whose sum is σ = 51072. Its totient is φ = 19008.

The previous prime is 33181. The next prime is 33191. The reversal of 33189 is 98133.

It is not a de Polignac number, because 33189 - 2³ = 33181 is a prime.

It is a super-2 number, since 2×33189² = 2203019442, which contains 22 as substring.

33189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879 + ... + 915.

It is an arithmetic number, because the mean of its divisors is an integer number (3192).

2³³¹⁸⁹ is an apocalyptic number.

33189 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

33189 is a deficient number, since it is larger than the sum of its proper divisors (17883).

33189 is a wasteful number, since it uses less digits than its factorization.

33189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76.

The product of its digits is 648, while the sum is 24.

The square root of 33189 is about 182.1784839107. The cubic root of 33189 is about 32.1364615141.

It can be divided in two parts, 33 and 189, that added together give a palindrome (222).

The spelling of 33189 in words is "thirty-three thousand, one hundred eighty-nine".