3366565 has 4 divisors (see below), whose sum is σ = 4039884. Its totient is φ = 2693248.

The previous prime is 3366557. The next prime is 3366577. The reversal of 3366565 is 5656633.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5656633 = 607 ⋅9319.

It can be written as a sum of positive squares in 2 ways, for example, as 2169729 + 1196836 = 1473^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 3366565 - 2³ = 3366557 is a prime.

It is a super-2 number, since 2×3366565² = 22667519798450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 3366565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336652 + ... + 336661.

It is an arithmetic number, because the mean of its divisors is an integer number (1009971).

Almost surely, 2^3366565 is an apocalyptic number.

It is an amenable number.

3366565 is a deficient number, since it is larger than the sum of its proper divisors (673319).

3366565 is an equidigital number, since it uses as much as digits as its factorization.

3366565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673318.

The product of its digits is 48600, while the sum is 34.

The square root of 3366565 is about 1834.8201546746. The cubic root of 3366565 is about 149.8749327873.

The spelling of 3366565 in words is "three million, three hundred sixty-six thousand, five hundred sixty-five".