872824 has 8 divisors (see below), whose sum is σ = 1636560. Its totient is φ = 436408.

The previous prime is 872791. The next prime is 872843. The reversal of 872824 is 428278.

872824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

872824 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 as a sum of consecutive naturals, namely, 54544 + ... + 54559.

It is an arithmetic number, because the mean of its divisors is an integer number (204570).

2⁸⁷²⁸²⁴ is an apocalyptic number.

It is an amenable number.

872824 is a deficient number, since it is larger than the sum of its proper divisors (763736).

872824 is a wasteful number, since it uses less digits than its factorization.

872824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109109 (or 109105 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 872824 is about 934.2505017392. The cubic root of 872824 is about 95.5672068801.

The spelling of 872824 in words is "eight hundred seventy-two thousand, eight hundred twenty-four".