869169 has 8 divisors (see below), whose sum is σ = 1324480. Its totient is φ = 496656.

The previous prime is 869153. The next prime is 869173. The reversal of 869169 is 961968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 869169 - 2⁴ = 869153 is a prime.

It is a super-2 number, since 2×869169² = 1510909501122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869169.

It is not an unprimeable number, because it can be changed into a prime (869119) 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, 20674 + ... + 20715.

It is an arithmetic number, because the mean of its divisors is an integer number (165560).

2⁸⁶⁹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

869169 is a deficient number, since it is larger than the sum of its proper divisors (455311).

869169 is a wasteful number, since it uses less digits than its factorization.

869169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41399.

The product of its digits is 23328, while the sum is 39.

The square root of 869169 is about 932.2923361264. The cubic root of 869169 is about 95.4336225426.

The spelling of 869169 in words is "eight hundred sixty-nine thousand, one hundred sixty-nine".