3365809 has 2 divisors, whose sum is σ = 3365810. Its totient is φ = 3365808.

The previous prime is 3365807. The next prime is 3365819. The reversal of 3365809 is 9085633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 1199025 = 1472^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 3365809 - 2¹ = 3365807 is a prime.

It is a super-2 number, since 2×3365809² = 22657340448962, which contains 22 as substring.

Together with 3365807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3365801) by changing a digit.

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 as a sum of consecutive naturals, namely, 1682904 + 1682905.

It is an arithmetic number, because the mean of its divisors is an integer number (1682905).

Almost surely, 2^3365809 is an apocalyptic number.

It is an amenable number.

3365809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3365809 is an equidigital number, since it uses as much as digits as its factorization.

3365809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3365809 is about 1834.6141283660. The cubic root of 3365809 is about 149.8637132473.

The spelling of 3365809 in words is "three million, three hundred sixty-five thousand, eight hundred nine".