879404 has 6 divisors (see below), whose sum is σ = 1538964. Its totient is φ = 439700.

The previous prime is 879401. The next prime is 879413. The reversal of 879404 is 404978.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (879401) 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 as a sum of consecutive naturals, namely, 109922 + ... + 109929.

It is an arithmetic number, because the mean of its divisors is an integer number (256494).

2⁸⁷⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

879404 is a deficient number, since it is larger than the sum of its proper divisors (659560).

879404 is a wasteful number, since it uses less digits than its factorization.

879404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219855 (or 219853 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 879404 is about 937.7654290919. The cubic root of 879404 is about 95.8067582688.

The spelling of 879404 in words is "eight hundred seventy-nine thousand, four hundred four".