869876 has 24 divisors (see below), whose sum is σ = 1779456. Its totient is φ = 364320.

The previous prime is 869863. The next prime is 869879. The reversal of 869876 is 678968.

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 869876.

It is not an unprimeable number, because it can be changed into a prime (869879) by changing a digit.

869876 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 7 ways as a sum of consecutive naturals, for example, 986 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (74144).

2⁸⁶⁹⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889728).

869876 is an abundant number, since it is smaller than the sum of its proper divisors (909580).

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

869876 is a wasteful number, since it uses less digits than its factorization.

869876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 717 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 869876 is about 932.6714319630. The cubic root of 869876 is about 95.4594914224.

The spelling of 869876 in words is "eight hundred sixty-nine thousand, eight hundred seventy-six".