878622 has 8 divisors (see below), whose sum is σ = 1757256. Its totient is φ = 292872.

The previous prime is 878621. The next prime is 878629. The reversal of 878622 is 226878.

878622 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.

878622 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73213 + ... + 73224.

It is an arithmetic number, because the mean of its divisors is an integer number (219657).

2⁸⁷⁸⁶²² is an apocalyptic number.

878622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

878622 is a wasteful number, since it uses less digits than its factorization.

878622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146442.

The product of its digits is 10752, while the sum is 33.

The square root of 878622 is about 937.3483877407. The cubic root of 878622 is about 95.7783514904.

The spelling of 878622 in words is "eight hundred seventy-eight thousand, six hundred twenty-two".