869632 has 36 divisors (see below), whose sum is σ = 1798720. Its totient is φ = 419328.

The previous prime is 869599. The next prime is 869657. The reversal of 869632 is 236968.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10969 + ... + 11047.

2⁸⁶⁹⁶³² 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 869632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899360).

869632 is an abundant number, since it is smaller than the sum of its proper divisors (929088).

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

869632 is an equidigital number, since it uses as much as digits as its factorization.

869632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 124 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 869632 is about 932.5406157375. The cubic root of 869632 is about 95.4505651333.

The spelling of 869632 in words is "eight hundred sixty-nine thousand, six hundred thirty-two".