3820663 has 24 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 2825760.

The previous prime is 3820651. The next prime is 3820673. The reversal of 3820663 is 3660283.

It is a de Polignac number, because none of the positive numbers 2^k-3820663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820603) 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, 64728 + ... + 64786.

It is an arithmetic number, because the mean of its divisors is an integer number (209040).

Almost surely, 2^3820663 is an apocalyptic number.

3820663 is a deficient number, since it is larger than the sum of its proper divisors (1196297).

3820663 is a wasteful number, since it uses less digits than its factorization.

3820663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3820663 is about 1954.6516313655. The cubic root of 3820663 is about 156.3314097363.

The spelling of 3820663 in words is "three million, eight hundred twenty thousand, six hundred sixty-three".