2169369 has 8 divisors (see below), whose sum is σ = 3213920. Its totient is φ = 1446228.

The previous prime is 2169361. The next prime is 2169389. The reversal of 2169369 is 9639612.

It is not a de Polignac number, because 2169369 - 2³ = 2169361 is a prime.

It is a super-2 number, since 2×2169369² = 9412323716322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2169361) 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, 40147 + ... + 40200.

It is an arithmetic number, because the mean of its divisors is an integer number (401740).

2^2169369 is an apocalyptic number.

It is an amenable number.

2169369 is a deficient number, since it is larger than the sum of its proper divisors (1044551).

2169369 is an equidigital number, since it uses as much as digits as its factorization.

2169369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80356 (or 80350 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 2169369 is about 1472.8777953381. The cubic root of 2169369 is about 129.4527090383.

The spelling of 2169369 in words is "two million, one hundred sixty-nine thousand, three hundred sixty-nine".