3862221 has 8 divisors (see below), whose sum is σ = 5617824. Its totient is φ = 2340720.

The previous prime is 3862219. The next prime is 3862237. The reversal of 3862221 is 1222683.

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

It is not a de Polignac number, because 3862221 - 2¹ = 3862219 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3862191 and 3862200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3862291) 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, 58486 + ... + 58551.

It is an arithmetic number, because the mean of its divisors is an integer number (702228).

Almost surely, 2^3862221 is an apocalyptic number.

It is an amenable number.

3862221 is a deficient number, since it is larger than the sum of its proper divisors (1755603).

3862221 is a wasteful number, since it uses less digits than its factorization.

3862221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117051.

The product of its digits is 1152, while the sum is 24.

The square root of 3862221 is about 1965.2534187733. The cubic root of 3862221 is about 156.8961813804.

The spelling of 3862221 in words is "three million, eight hundred sixty-two thousand, two hundred twenty-one".