3706565 has 16 divisors (see below), whose sum is σ = 4693248. Its totient is φ = 2804736.

The previous prime is 3706529. The next prime is 3706609. The reversal of 3706565 is 5656073.

3706565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3706565 - 2⁸ = 3706309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19109 + ... + 19301.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

Almost surely, 2^3706565 is an apocalyptic number.

It is an amenable number.

3706565 is a deficient number, since it is larger than the sum of its proper divisors (986683).

3706565 is a wasteful number, since it uses less digits than its factorization.

3706565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 3706565 is about 1925.2441403625. The cubic root of 3706565 is about 154.7594604141.

The spelling of 3706565 in words is "three million, seven hundred six thousand, five hundred sixty-five".