3663606 has 16 divisors (see below), whose sum is σ = 7351344. Its totient is φ = 1217184.

The previous prime is 3663587. The next prime is 3663617. The reversal of 3663606 is 6063663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (459459).

Almost surely, 2^3663606 is an apocalyptic number.

3663606 is an abundant number, since it is smaller than the sum of its proper divisors (3687738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3663606 is a wasteful number, since it uses less digits than its factorization.

3663606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 3663606 is about 1914.0548581480. The cubic root of 3663606 is about 154.1592494443.

The spelling of 3663606 in words is "three million, six hundred sixty-three thousand, six hundred six".