189079 has 4 divisors (see below), whose sum is σ = 206280. Its totient is φ = 171880.

The previous prime is 189067. The next prime is 189127. The reversal of 189079 is 970981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189019) 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, 8584 + ... + 8605.

It is an arithmetic number, because the mean of its divisors is an integer number (51570).

2¹⁸⁹⁰⁷⁹ is an apocalyptic number.

189079 is a deficient number, since it is larger than the sum of its proper divisors (17201).

189079 is a wasteful number, since it uses less digits than its factorization.

189079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17200.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 189079 is about 434.8321515252. The cubic root of 189079 is about 57.3959302193.

The spelling of 189079 in words is "one hundred eighty-nine thousand, seventy-nine".