6864213 has 16 divisors (see below), whose sum is σ = 9535680. Its totient is φ = 4386816.

The previous prime is 6864211. The next prime is 6864233. The reversal of 6864213 is 3124686.

6864213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6864213 - 2¹ = 6864211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22206 + ... + 22512.

It is an arithmetic number, because the mean of its divisors is an integer number (595980).

Almost surely, 2^6864213 is an apocalyptic number.

It is an amenable number.

6864213 is a deficient number, since it is larger than the sum of its proper divisors (2671467).

6864213 is a wasteful number, since it uses less digits than its factorization.

6864213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its digits is 6912, while the sum is 30.

The square root of 6864213 is about 2619.9643127340. The cubic root of 6864213 is about 190.0481226213.

Adding to 6864213 its reverse (3124686), we get a palindrome (9988899).

The spelling of 6864213 in words is "six million, eight hundred sixty-four thousand, two hundred thirteen".