869339136 has 104 divisors (see below), whose sum is σ = 2335417920. Its totient is φ = 287604736.

The previous prime is 869339131. The next prime is 869339143. The reversal of 869339136 is 631933968.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (869339131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231610 + ... + 3231878.

Almost surely, 2^869339136 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 869339136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167708960).

869339136 is an abundant number, since it is smaller than the sum of its proper divisors (1466078784).

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

869339136 is a wasteful number, since it uses less digits than its factorization.

869339136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 537 counting only the distinct ones).

The product of its digits is 629856, while the sum is 48.

The square root of 869339136 is about 29484.5575852852. The cubic root of 869339136 is about 954.3984904000.

It can be divided in two parts, 86933 and 9136, that added together give a palindrome (96069).

The spelling of 869339136 in words is "eight hundred sixty-nine million, three hundred thirty-nine thousand, one hundred thirty-six".