3409565 has 4 divisors (see below), whose sum is σ = 4091484. Its totient is φ = 2727648.

The previous prime is 3409529. The next prime is 3409573. The reversal of 3409565 is 5659043.

It is a happy number.

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 1304164 + 2105401 = 1142^2 + 1451^2 .

It is a cyclic number.

It is not a de Polignac number, because 3409565 - 2⁸ = 3409309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340952 + ... + 340961.

It is an arithmetic number, because the mean of its divisors is an integer number (1022871).

Almost surely, 2^3409565 is an apocalyptic number.

It is an amenable number.

3409565 is a deficient number, since it is larger than the sum of its proper divisors (681919).

3409565 is an equidigital number, since it uses as much as digits as its factorization.

3409565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681918.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 3409565 is about 1846.5007446519. The cubic root of 3409565 is about 150.5103358207.

The spelling of 3409565 in words is "three million, four hundred nine thousand, five hundred sixty-five".