879609 has 8 divisors (see below), whose sum is σ = 1184832. Its totient is φ = 580400.

The previous prime is 879607. The next prime is 879617. The reversal of 879609 is 906978.

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

It is a cyclic number.

It is not a de Polignac number, because 879609 - 2¹ = 879607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (879607) 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, 1149 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (148104).

2⁸⁷⁹⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

879609 is a deficient number, since it is larger than the sum of its proper divisors (305223).

879609 is a wasteful number, since it uses less digits than its factorization.

879609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 879609 is about 937.8747251099. The cubic root of 879609 is about 95.8142022723.

The spelling of 879609 in words is "eight hundred seventy-nine thousand, six hundred nine".