6843321 has 12 divisors (see below), whose sum is σ = 10115248. Its totient is φ = 4455864.

The previous prime is 6843311. The next prime is 6843323. The reversal of 6843321 is 1233486.

It is a happy number.

It is not a de Polignac number, because 6843321 - 2⁵ = 6843289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6843323) 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 11 ways as a sum of consecutive naturals, for example, 8455 + ... + 9228.

Almost surely, 2^6843321 is an apocalyptic number.

It is an amenable number.

6843321 is a deficient number, since it is larger than the sum of its proper divisors (3271927).

6843321 is a wasteful number, since it uses less digits than its factorization.

6843321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17732 (or 17729 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6843321 is about 2615.9741971205. The cubic root of 6843321 is about 189.8551157703.

It can be divided in two parts, 684 and 3321, that added together give a triangular number (4005 = T₈₉).

The spelling of 6843321 in words is "six million, eight hundred forty-three thousand, three hundred twenty-one".