879459 has 8 divisors (see below), whose sum is σ = 1340160. Its totient is φ = 502536.

The previous prime is 879457. The next prime is 879493. The reversal of 879459 is 954978.

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

It is not a de Polignac number, because 879459 - 2¹ = 879457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 879459.

It is not an unprimeable number, because it can be changed into a prime (879457) 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, 20919 + ... + 20960.

It is an arithmetic number, because the mean of its divisors is an integer number (167520).

2⁸⁷⁹⁴⁵⁹ is an apocalyptic number.

879459 is a deficient number, since it is larger than the sum of its proper divisors (460701).

879459 is a wasteful number, since it uses less digits than its factorization.

879459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41889.

The product of its digits is 90720, while the sum is 42.

The square root of 879459 is about 937.7947536641. The cubic root of 879459 is about 95.8087555540.

The spelling of 879459 in words is "eight hundred seventy-nine thousand, four hundred fifty-nine".