878945 has 8 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 672496.

The previous prime is 878939. The next prime is 878953. The reversal of 878945 is 549878.

878945 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 a cyclic number.

It is not a de Polignac number, because 878945 - 2⁴ = 878929 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

2⁸⁷⁸⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

878945 is a deficient number, since it is larger than the sum of its proper divisors (221791).

878945 is a wasteful number, since it uses less digits than its factorization.

878945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671.

The product of its digits is 80640, while the sum is 41.

The square root of 878945 is about 937.5206664389. The cubic root of 878945 is about 95.7900867673.

The spelling of 878945 in words is "eight hundred seventy-eight thousand, nine hundred forty-five".