3982217 has 4 divisors (see below), whose sum is σ = 3986640. Its totient is φ = 3977796.

The previous prime is 3982201. The next prime is 3982247. The reversal of 3982217 is 7122893.

3982217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3982217 - 2⁴ = 3982201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3982247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (996660).

Almost surely, 2^3982217 is an apocalyptic number.

It is an amenable number.

3982217 is a deficient number, since it is larger than the sum of its proper divisors (4423).

3982217 is a wasteful number, since it uses less digits than its factorization.

3982217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422.

The product of its digits is 6048, while the sum is 32.

The square root of 3982217 is about 1995.5492978125. The cubic root of 3982217 is about 158.5045161202.

The spelling of 3982217 in words is "three million, nine hundred eighty-two thousand, two hundred seventeen".