3983221 has 8 divisors (see below), whose sum is σ = 4485888. Its totient is φ = 3504000.

The previous prime is 3983201. The next prime is 3983227. The reversal of 3983221 is 1223893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3983221 - 2⁷ = 3983093 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3983221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3983227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5500 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (560736).

Almost surely, 2^3983221 is an apocalyptic number.

3983221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3983221 is a deficient number, since it is larger than the sum of its proper divisors (502667).

3983221 is a wasteful number, since it uses less digits than its factorization.

3983221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723.

The product of its digits is 2592, while the sum is 28.

The square root of 3983221 is about 1995.8008417675. The cubic root of 3983221 is about 158.5178357662.

The spelling of 3983221 in words is "three million, nine hundred eighty-three thousand, two hundred twenty-one".