878236 has 24 divisors (see below), whose sum is σ = 1627920. Its totient is φ = 413952.

The previous prime is 878221. The next prime is 878239. The reversal of 878236 is 632878.

It is a happy 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 (878239) by changing a digit.

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, 7716 + ... + 7828.

It is an arithmetic number, because the mean of its divisors is an integer number (67830).

2⁸⁷⁸²³⁶ is an apocalyptic number.

It is an amenable number.

878236 is a deficient number, since it is larger than the sum of its proper divisors (749684).

878236 is a wasteful number, since it uses less digits than its factorization.

878236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 878236 is about 937.1424651567. The cubic root of 878236 is about 95.7643235167.

The spelling of 878236 in words is "eight hundred seventy-eight thousand, two hundred thirty-six".