6699843 has 12 divisors (see below), whose sum is σ = 9795240. Its totient is φ = 4412256.

The previous prime is 6699839. The next prime is 6699857. The reversal of 6699843 is 3489966.

6699843 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6699843 - 2² = 6699839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6699893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3738 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (816270).

Almost surely, 2^6699843 is an apocalyptic number.

6699843 is a deficient number, since it is larger than the sum of its proper divisors (3095397).

6699843 is a wasteful number, since it uses less digits than its factorization.

6699843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058 (or 9055 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6699843 is about 2588.4054937355. The cubic root of 6699843 is about 188.5188905684.

The spelling of 6699843 in words is "six million, six hundred ninety-nine thousand, eight hundred forty-three".