869572 has 12 divisors (see below), whose sum is σ = 1660176. Its totient is φ = 395240.

The previous prime is 869563. The next prime is 869579. The reversal of 869572 is 275968.

It is not an unprimeable number, because it can be changed into a prime (869579) by changing a digit.

869572 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 3 ways as a sum of consecutive naturals, for example, 9838 + ... + 9925.

It is an arithmetic number, because the mean of its divisors is an integer number (138348).

2⁸⁶⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

869572 is a deficient number, since it is larger than the sum of its proper divisors (790604).

869572 is a wasteful number, since it uses less digits than its factorization.

869572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19778 (or 19776 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 869572 is about 932.5084450020. The cubic root of 869572 is about 95.4483698884.

It can be divided in two parts, 869 and 572, that added together give a palindrome (1441).

The spelling of 869572 in words is "eight hundred sixty-nine thousand, five hundred seventy-two".