3942213 has 16 divisors (see below), whose sum is σ = 5822976. Its totient is φ = 2352240.

The previous prime is 3942209. The next prime is 3942217. The reversal of 3942213 is 3122493.

3942213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3942209) and next prime (3942217).

It is not a de Polignac number, because 3942213 - 2² = 3942209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942217) 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 15 ways as a sum of consecutive naturals, for example, 1320 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (363936).

Almost surely, 2^3942213 is an apocalyptic number.

3942213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3942213 is a deficient number, since it is larger than the sum of its proper divisors (1880763).

3942213 is a wasteful number, since it uses less digits than its factorization.

3942213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its digits is 1296, while the sum is 24.

The square root of 3942213 is about 1985.5006925207. The cubic root of 3942213 is about 157.9719680013.

The spelling of 3942213 in words is "three million, nine hundred forty-two thousand, two hundred thirteen".