879189 has 8 divisors (see below), whose sum is σ = 1241280. Its totient is φ = 551616.

The previous prime is 879181. The next prime is 879199. The reversal of 879189 is 981978.

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

It is not a de Polignac number, because 879189 - 2³ = 879181 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 879189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8569 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (155160).

2⁸⁷⁹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

879189 is a deficient number, since it is larger than the sum of its proper divisors (362091).

879189 is a wasteful number, since it uses less digits than its factorization.

879189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17259.

The product of its digits is 36288, while the sum is 42.

The square root of 879189 is about 937.6507878736. The cubic root of 879189 is about 95.7989499001.

It can be divided in two parts, 8 and 79189, that added together give a palindrome (79197).

The spelling of 879189 in words is "eight hundred seventy-nine thousand, one hundred eighty-nine".