3982213 has 4 divisors (see below), whose sum is σ = 4004640. Its totient is φ = 3959788.

The previous prime is 3982201. The next prime is 3982247. The reversal of 3982213 is 3122893.

3982213 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3982213 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 (3982283) 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, 10945 + ... + 11302.

It is an arithmetic number, because the mean of its divisors is an integer number (1001160).

Almost surely, 2^3982213 is an apocalyptic number.

It is an amenable number.

3982213 is a deficient number, since it is larger than the sum of its proper divisors (22427).

3982213 is a wasteful number, since it uses less digits than its factorization.

3982213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22426.

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

The square root of 3982213 is about 1995.5482955819. The cubic root of 3982213 is about 158.5044630494.

The spelling of 3982213 in words is "three million, nine hundred eighty-two thousand, two hundred thirteen".