869236 has 6 divisors (see below), whose sum is σ = 1521170. Its totient is φ = 434616.

The previous prime is 869233. The next prime is 869249. The reversal of 869236 is 632968.

It is a happy number.

869236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 48400 = 906^2 + 220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108651 + ... + 108658.

2⁸⁶⁹²³⁶ is an apocalyptic number.

It is an amenable number.

869236 is a deficient number, since it is larger than the sum of its proper divisors (651934).

869236 is a wasteful number, since it uses less digits than its factorization.

869236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217313 (or 217311 counting only the distinct ones).

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

The square root of 869236 is about 932.3282683690. The cubic root of 869236 is about 95.4360746505.

The spelling of 869236 in words is "eight hundred sixty-nine thousand, two hundred thirty-six".