3609169 has 4 divisors (see below), whose sum is σ = 3617460. Its totient is φ = 3600880.

The previous prime is 3609163. The next prime is 3609191. The reversal of 3609169 is 9619063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9619063 = 199 ⋅48337.

It can be written as a sum of positive squares in 2 ways, for example, as 786769 + 2822400 = 887^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 3609169 - 2³ = 3609161 is a prime.

It is a super-2 number, since 2×3609169² = 26052201741122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3609161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3454 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (904365).

Almost surely, 2^3609169 is an apocalyptic number.

It is an amenable number.

3609169 is a deficient number, since it is larger than the sum of its proper divisors (8291).

3609169 is an equidigital number, since it uses as much as digits as its factorization.

3609169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 3609169 is about 1899.7813032031. The cubic root of 3609169 is about 153.3918926717.

The spelling of 3609169 in words is "three million, six hundred nine thousand, one hundred sixty-nine".