6839213 has 2 divisors, whose sum is σ = 6839214. Its totient is φ = 6839212.

The previous prime is 6839207. The next prime is 6839233. The reversal of 6839213 is 3129386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6041764 + 797449 = 2458^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 6839213 - 2⁴ = 6839197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6839213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6839233) 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 as a sum of consecutive naturals, namely, 3419606 + 3419607.

It is an arithmetic number, because the mean of its divisors is an integer number (3419607).

Almost surely, 2^6839213 is an apocalyptic number.

It is an amenable number.

6839213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6839213 is an equidigital number, since it uses as much as digits as its factorization.

6839213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 6839213 is about 2615.1889033108. The cubic root of 6839213 is about 189.8171185791.

The spelling of 6839213 in words is "six million, eight hundred thirty-nine thousand, two hundred thirteen".