3365605 has 4 divisors (see below), whose sum is σ = 4038732. Its totient is φ = 2692480.

The previous prime is 3365599. The next prime is 3365617. The reversal of 3365605 is 5065633.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 2455489 = 954^2 + 1567^2 .

It is not a de Polignac number, because 3365605 - 2³ = 3365597 is a prime.

It is a super-2 number, since 2×3365605² = 22654594032050, which contains 22 as substring.

It is a Duffinian number.

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, 336556 + ... + 336565.

It is an arithmetic number, because the mean of its divisors is an integer number (1009683).

Almost surely, 2^3365605 is an apocalyptic number.

It is an amenable number.

3365605 is a deficient number, since it is larger than the sum of its proper divisors (673127).

3365605 is an equidigital number, since it uses as much as digits as its factorization.

3365605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673126.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 3365605 is about 1834.5585300012. The cubic root of 3365605 is about 149.8606854646.

Adding to 3365605 its sum of digits (28), we get a palindrome (3365633).

The spelling of 3365605 in words is "three million, three hundred sixty-five thousand, six hundred five".