878228 has 12 divisors (see below), whose sum is σ = 1655220. Its totient is φ = 405312.

The previous prime is 878221. The next prime is 878239. The reversal of 878228 is 822878.

878228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 806404 = 268^2 + 898^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878221) by changing a digit.

878228 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, 8393 + ... + 8496.

It is an arithmetic number, because the mean of its divisors is an integer number (137935).

2⁸⁷⁸²²⁸ is an apocalyptic number.

It is an amenable number.

878228 is a deficient number, since it is larger than the sum of its proper divisors (776992).

878228 is a wasteful number, since it uses less digits than its factorization.

878228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16906 (or 16904 counting only the distinct ones).

The product of its digits is 14336, while the sum is 35.

The square root of 878228 is about 937.1381968525. The cubic root of 878228 is about 95.7640327380.

The spelling of 878228 in words is "eight hundred seventy-eight thousand, two hundred twenty-eight".