879009 has 8 divisors (see below), whose sum is σ = 1203840. Its totient is φ = 570096.

The previous prime is 879007. The next prime is 879023. The reversal of 879009 is 900978.

879009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 879009 - 2¹ = 879007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (879001) 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, 3849 + ... + 4070.

It is an arithmetic number, because the mean of its divisors is an integer number (150480).

2⁸⁷⁹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

879009 is a deficient number, since it is larger than the sum of its proper divisors (324831).

879009 is a wasteful number, since it uses less digits than its factorization.

879009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7959.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 879009 is about 937.5547983985. The cubic root of 879009 is about 95.7924116821.

The spelling of 879009 in words is "eight hundred seventy-nine thousand, nine".