3404644 has 18 divisors (see below), whose sum is σ = 6232310. Its totient is φ = 1627296.

The previous prime is 3404579. The next prime is 3404651. The reversal of 3404644 is 4464043.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 19044 = 1840^2 + 138^2 .

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 5 ways as a sum of consecutive naturals, for example, 1312 + ... + 2920.

Almost surely, 2^3404644 is an apocalyptic number.

It is an amenable number.

3404644 is a deficient number, since it is larger than the sum of its proper divisors (2827666).

3404644 is a wasteful number, since it uses less digits than its factorization.

3404644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 3404644 is about 1845.1677430521. The cubic root of 3404644 is about 150.4378908041.

Adding to 3404644 its reverse (4464043), we get a palindrome (7868687).

The spelling of 3404644 in words is "three million, four hundred four thousand, six hundred forty-four".