3404965 has 4 divisors (see below), whose sum is σ = 4085964. Its totient is φ = 2723968.

The previous prime is 3404923. The next prime is 3404969. The reversal of 3404965 is 5694043.

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 470596 + 2934369 = 686^2 + 1713^2 .

It is a cyclic number.

It is not a de Polignac number, because 3404965 - 2¹⁵ = 3372197 is a prime.

It is a Duffinian number.

3404965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404969) 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 in 3 ways as a sum of consecutive naturals, for example, 340492 + ... + 340501.

It is an arithmetic number, because the mean of its divisors is an integer number (1021491).

Almost surely, 2^3404965 is an apocalyptic number.

It is an amenable number.

3404965 is a deficient number, since it is larger than the sum of its proper divisors (680999).

3404965 is an equidigital number, since it uses as much as digits as its factorization.

3404965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680998.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3404965 is about 1845.2547249635. The cubic root of 3404965 is about 150.4426185666.

The spelling of 3404965 in words is "three million, four hundred four thousand, nine hundred sixty-five".