878402 has 8 divisors (see below), whose sum is σ = 1505856. Its totient is φ = 376452.

The previous prime is 878387. The next prime is 878411. The reversal of 878402 is 204878.

878402 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 an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 878402.

It is an unprimeable number.

878402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31358 + ... + 31385.

It is an arithmetic number, because the mean of its divisors is an integer number (188232).

2⁸⁷⁸⁴⁰² is an apocalyptic number.

878402 is a deficient number, since it is larger than the sum of its proper divisors (627454).

878402 is a wasteful number, since it uses less digits than its factorization.

878402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62752.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 878402 is about 937.2310280822. The cubic root of 878402 is about 95.7703567759.

The spelling of 878402 in words is "eight hundred seventy-eight thousand, four hundred two".