330189 has 4 divisors (see below), whose sum is σ = 440256. Its totient is φ = 220124.

The previous prime is 330167. The next prime is 330199. The reversal of 330189 is 981033.

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, and also an emirpimes, since its reverse is a distinct semiprime: 981033 = 3 ⋅327011.

It is a cyclic number.

It is not a de Polignac number, because 330189 - 2⁷ = 330061 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330139) 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, 55029 + ... + 55034.

It is an arithmetic number, because the mean of its divisors is an integer number (110064).

2³³⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

330189 is a deficient number, since it is larger than the sum of its proper divisors (110067).

330189 is a wasteful number, since it uses less digits than its factorization.

330189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110066.

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

The square root of 330189 is about 574.6207444915. The cubic root of 330189 is about 69.1174224085.

The spelling of 330189 in words is "three hundred thirty thousand, one hundred eighty-nine".