872844 has 24 divisors (see below), whose sum is σ = 2327808. Its totient is φ = 249360.

The previous prime is 872843. The next prime is 872863. The reversal of 872844 is 448278.

It is not an unprimeable number, because it can be changed into a prime (872843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5112 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (96992).

2⁸⁷²⁸⁴⁴ is an apocalyptic number.

872844 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

872844 is an abundant number, since it is smaller than the sum of its proper divisors (1454964).

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

872844 is a wasteful number, since it uses less digits than its factorization.

872844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10405 (or 10403 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 872844 is about 934.2612054452. The cubic root of 872844 is about 95.5679368208.

The spelling of 872844 in words is "eight hundred seventy-two thousand, eight hundred forty-four".