849589169 has 16 divisors (see below), whose sum is σ = 1001718144. Its totient is φ = 710371200.

The previous prime is 849589163. The next prime is 849589171. The reversal of 849589169 is 961985948.

It is not a de Polignac number, because 849589169 - 2²⁴ = 832811953 is a prime.

It is a super-2 number, since 2×849589169² = 1443603512164221122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849589163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29612 + ... + 50754.

It is an arithmetic number, because the mean of its divisors is an integer number (62607384).

Almost surely, 2^849589169 is an apocalyptic number.

It is an amenable number.

849589169 is a deficient number, since it is larger than the sum of its proper divisors (152128975).

849589169 is a wasteful number, since it uses less digits than its factorization.

849589169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21448.

The product of its digits is 5598720, while the sum is 59.

The square root of 849589169 is about 29147.7129291476. The cubic root of 849589169 is about 947.1155980201.

The spelling of 849589169 in words is "eight hundred forty-nine million, five hundred eighty-nine thousand, one hundred sixty-nine".