872284 has 12 divisors (see below), whose sum is σ = 1744624. Its totient is φ = 373824.

The previous prime is 872281. The next prime is 872317. The reversal of 872284 is 482278.

872284 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15549 + ... + 15604.

2⁸⁷²²⁸⁴ is an apocalyptic number.

It is an amenable number.

872284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

872284 is a wasteful number, since it uses less digits than its factorization.

872284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31164 (or 31162 counting only the distinct ones).

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

The square root of 872284 is about 933.9614553074. The cubic root of 872284 is about 95.5474942622.

It can be divided in two parts, 872 and 284, that added together give a square (1156 = 34²).

The spelling of 872284 in words is "eight hundred seventy-two thousand, two hundred eighty-four".