872838 has 12 divisors (see below), whose sum is σ = 1891188. Its totient is φ = 290940.

The previous prime is 872791. The next prime is 872843. The reversal of 872838 is 838278.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872838.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24228 + ... + 24263.

It is an arithmetic number, because the mean of its divisors is an integer number (157599).

2⁸⁷²⁸³⁸ is an apocalyptic number.

872838 is an abundant number, since it is smaller than the sum of its proper divisors (1018350).

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

872838 is a wasteful number, since it uses less digits than its factorization.

872838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48499 (or 48496 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 872838 is about 934.2579943463. The cubic root of 872838 is about 95.5677178398.

The spelling of 872838 in words is "eight hundred seventy-two thousand, eight hundred thirty-eight".