3660633 has 20 divisors (see below), whose sum is σ = 5600848. Its totient is φ = 2381400.

The previous prime is 3660619. The next prime is 3660637. The reversal of 3660633 is 3360663.

It is not a de Polignac number, because 3660633 - 2⁴ = 3660617 is a prime.

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

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3660597 and 3660606.

It is not an unprimeable number, because it can be changed into a prime (3660637) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2958 + ... + 4008.

Almost surely, 2^3660633 is an apocalyptic number.

It is an amenable number.

3660633 is a deficient number, since it is larger than the sum of its proper divisors (1940215).

3660633 is a wasteful number, since it uses less digits than its factorization.

3660633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1097 counting only the distinct ones).

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

The square root of 3660633 is about 1913.2780770186. The cubic root of 3660633 is about 154.1175383107.

The spelling of 3660633 in words is "three million, six hundred sixty thousand, six hundred thirty-three".