872862 has 8 divisors (see below), whose sum is σ = 1745736. Its totient is φ = 290952.

The previous prime is 872843. The next prime is 872863. The reversal of 872862 is 268278.

It is a sphenic number, since it is the product of 3 distinct primes.

872862 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872863) by changing a digit.

872862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72733 + ... + 72744.

It is an arithmetic number, because the mean of its divisors is an integer number (218217).

2⁸⁷²⁸⁶² is an apocalyptic number.

872862 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.

872862 is a wasteful number, since it uses less digits than its factorization.

872862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145482.

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

The square root of 872862 is about 934.2708386758. The cubic root of 872862 is about 95.5685937580.

The spelling of 872862 in words is "eight hundred seventy-two thousand, eight hundred sixty-two".