3630663 has 24 divisors (see below), whose sum is σ = 5544448. Its totient is φ = 2373624.

The previous prime is 3630643. The next prime is 3630667. The reversal of 3630663 is 3660363.

It is not a de Polignac number, because 3630663 - 2⁵ = 3630631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

3630663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630667) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 16170 + ... + 16392.

Almost surely, 2^3630663 is an apocalyptic number.

3630663 is a deficient number, since it is larger than the sum of its proper divisors (1913785).

3630663 is an equidigital number, since it uses as much as digits as its factorization.

3630663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 3630663 is about 1905.4298727584. The cubic root of 3630663 is about 153.6957929073.

The spelling of 3630663 in words is "three million, six hundred thirty thousand, six hundred sixty-three".