3605685 has 8 divisors (see below), whose sum is σ = 5769120. Its totient is φ = 1923024.

The previous prime is 3605671. The next prime is 3605711. The reversal of 3605685 is 5865063.

3605685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3605685 - 2⁴ = 3605669 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 120175 + ... + 120204.

It is an arithmetic number, because the mean of its divisors is an integer number (721140).

Almost surely, 2^3605685 is an apocalyptic number.

It is an amenable number.

3605685 is a deficient number, since it is larger than the sum of its proper divisors (2163435).

3605685 is a wasteful number, since it uses less digits than its factorization.

3605685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240387.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 3605685 is about 1898.8641341602. The cubic root of 3605685 is about 153.3425194035.

The spelling of 3605685 in words is "three million, six hundred five thousand, six hundred eighty-five".