869036 has 24 divisors (see below), whose sum is σ = 1782816. Its totient is φ = 362880.

The previous prime is 869021. The next prime is 869039. The reversal of 869036 is 630968.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 868993 and 869011.

It is not an unprimeable number, because it can be changed into a prime (869039) by changing a digit.

869036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (74284).

2⁸⁶⁹⁰³⁶ 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 869036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891408).

869036 is an abundant number, since it is smaller than the sum of its proper divisors (913780).

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

869036 is a wasteful number, since it uses less digits than its factorization.

869036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 869036 is about 932.2210038398. The cubic root of 869036 is about 95.4287545521.

The spelling of 869036 in words is "eight hundred sixty-nine thousand, thirty-six".