869339169 has 16 divisors (see below), whose sum is σ = 1329456640. Its totient is φ = 560863440.

The previous prime is 869339143. The next prime is 869339173. The reversal of 869339169 is 961933968.

It is not a de Polignac number, because 869339169 - 2¹² = 869335073 is a prime.

It is a super-2 number, since 2×869339169² = 1511501181515221122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869339269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518482 + ... + 520155.

It is an arithmetic number, because the mean of its divisors is an integer number (83091040).

Almost surely, 2^869339169 is an apocalyptic number.

It is an amenable number.

869339169 is a deficient number, since it is larger than the sum of its proper divisors (460117471).

869339169 is a wasteful number, since it uses less digits than its factorization.

869339169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038677 (or 1038671 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 869339169 is about 29484.5581449002. The cubic root of 869339169 is about 954.3985024763.

The spelling of 869339169 in words is "eight hundred sixty-nine million, three hundred thirty-nine thousand, one hundred sixty-nine".