3406645 has 16 divisors (see below), whose sum is σ = 4655232. Its totient is φ = 2368960.

The previous prime is 3406631. The next prime is 3406661. The reversal of 3406645 is 5466043.

It is a de Polignac number, because none of the positive numbers 2^k-3406645 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 15 ways as a sum of consecutive naturals, for example, 82 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (290952).

Almost surely, 2^3406645 is an apocalyptic number.

It is an amenable number.

3406645 is a deficient number, since it is larger than the sum of its proper divisors (1248587).

3406645 is a wasteful number, since it uses less digits than its factorization.

3406645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3406645 is about 1845.7098905299. The cubic root of 3406645 is about 150.4673571511.

The spelling of 3406645 in words is "three million, four hundred six thousand, six hundred forty-five".