862872 has 32 divisors (see below), whose sum is σ = 2180400. Its totient is φ = 284544.

The previous prime is 862861. The next prime is 862879. The reversal of 862872 is 278268.

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 862872.

It is not an unprimeable number, because it can be changed into a prime (862879) 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, 3654 + ... + 3882.

2⁸⁶²⁸⁷² is an apocalyptic number.

It is an amenable number.

862872 is an abundant number, since it is smaller than the sum of its proper divisors (1317528).

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

862872 is a wasteful number, since it uses less digits than its factorization.

862872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 391 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 862872 is about 928.9090375274. The cubic root of 862872 is about 95.2025962618.

The spelling of 862872 in words is "eight hundred sixty-two thousand, eight hundred seventy-two".