3896221 has 8 divisors (see below), whose sum is σ = 4476800. Its totient is φ = 3321648.

The previous prime is 3896219. The next prime is 3896231. The reversal of 3896221 is 1226983.

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 3896221 - 2¹ = 3896219 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 (3896231) 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, 6 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (559600).

Almost surely, 2^3896221 is an apocalyptic number.

It is an amenable number.

3896221 is a deficient number, since it is larger than the sum of its proper divisors (580579).

3896221 is a wasteful number, since it uses less digits than its factorization.

3896221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003.

The product of its digits is 5184, while the sum is 31.

The square root of 3896221 is about 1973.8847484086. The cubic root of 3896221 is about 157.3552344109.

It can be divided in two parts, 38962 and 21, that added together give a palindrome (38983).

The spelling of 3896221 in words is "three million, eight hundred ninety-six thousand, two hundred twenty-one".