878904 has 64 divisors (see below), whose sum is σ = 2637600. Its totient is φ = 269568.

The previous prime is 878893. The next prime is 878929. The reversal of 878904 is 409878.

878904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2652 + ... + 2964.

2⁸⁷⁸⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318800).

878904 is an abundant number, since it is smaller than the sum of its proper divisors (1758696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878904 is a wasteful number, since it uses less digits than its factorization.

878904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 878904 is about 937.4987999992. The cubic root of 878904 is about 95.7885973095.

The spelling of 878904 in words is "eight hundred seventy-eight thousand, nine hundred four".