3884221 has 12 divisors (see below), whose sum is σ = 4366656. Its totient is φ = 3450920.

The previous prime is 3884213. The next prime is 3884239. The reversal of 3884221 is 1224883.

It is not a de Polignac number, because 3884221 - 2³ = 3884213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3884221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884261) 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 11 ways as a sum of consecutive naturals, for example, 5346 + ... + 6028.

It is an arithmetic number, because the mean of its divisors is an integer number (363888).

Almost surely, 2^3884221 is an apocalyptic number.

It is an amenable number.

3884221 is a deficient number, since it is larger than the sum of its proper divisors (482435).

3884221 is a wasteful number, since it uses less digits than its factorization.

3884221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 741 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 3884221 is about 1970.8427131560. The cubic root of 3884221 is about 157.1935217586.

The spelling of 3884221 in words is "three million, eight hundred eighty-four thousand, two hundred twenty-one".