609189 has 8 divisors (see below), whose sum is σ = 928320. Its totient is φ = 348096.

The previous prime is 609179. The next prime is 609199. The reversal of 609189 is 981906.

It is a happy number.

609189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (609179) and next prime (609199).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 609189 - 2⁴ = 609173 is a prime.

It is a super-2 number, since 2×609189² = 742222475442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14484 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (116040).

2⁶⁰⁹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

609189 is a deficient number, since it is larger than the sum of its proper divisors (319131).

609189 is a wasteful number, since it uses less digits than its factorization.

609189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29019.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 609189 is about 780.5056053610. The cubic root of 609189 is about 84.7716593469.

The spelling of 609189 in words is "six hundred nine thousand, one hundred eighty-nine".