878906 has 16 divisors (see below), whose sum is σ = 1530816. Its totient is φ = 370656.

The previous prime is 878893. The next prime is 878929. The reversal of 878906 is 609878.

It is a Curzon number.

It is a nialpdrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 878906.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (95676).

2⁸⁷⁸⁹⁰⁶ is an apocalyptic number.

It is a pronic number, being equal to 937×938.

878906 is a deficient number, since it is larger than the sum of its proper divisors (651910).

878906 is a wasteful number, since it uses less digits than its factorization.

878906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 878906 is about 937.4998666667. The cubic root of 878906 is about 95.7886699670.

The spelling of 878906 in words is "eight hundred seventy-eight thousand, nine hundred six".