6864843 has 4 divisors (see below), whose sum is σ = 9153128. Its totient is φ = 4576560.

The previous prime is 6864841. The next prime is 6864853. The reversal of 6864843 is 3484686.

6864843 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6864843 - 2¹ = 6864841 is a prime.

It is a D-number.

It is a Duffinian number.

6864843 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6864841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144138 + ... + 1144143.

It is an arithmetic number, because the mean of its divisors is an integer number (2288282).

Almost surely, 2^6864843 is an apocalyptic number.

6864843 is a deficient number, since it is larger than the sum of its proper divisors (2288285).

6864843 is a wasteful number, since it uses less digits than its factorization.

6864843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288284.

The product of its digits is 110592, while the sum is 39.

The square root of 6864843 is about 2620.0845406208. The cubic root of 6864843 is about 190.0539366724.

The spelling of 6864843 in words is "six million, eight hundred sixty-four thousand, eight hundred forty-three".