869972 has 12 divisors (see below), whose sum is σ = 1602720. Its totient is φ = 412056.

The previous prime is 869959. The next prime is 869983. The reversal of 869972 is 279968.

It is a congruent number.

It is an unprimeable number.

869972 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, 5648 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2⁸⁶⁹⁹⁷² is an apocalyptic number.

It is an amenable number.

869972 is a deficient number, since it is larger than the sum of its proper divisors (732748).

869972 is a wasteful number, since it uses less digits than its factorization.

869972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11470 (or 11468 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 869972 is about 932.7228956126. The cubic root of 869972 is about 95.4630029475.

The spelling of 869972 in words is "eight hundred sixty-nine thousand, nine hundred seventy-two".