6859143 has 24 divisors (see below), whose sum is σ = 10603008. Its totient is φ = 4257792.

The previous prime is 6859123. The next prime is 6859159. The reversal of 6859143 is 3419586.

6859143 is a `hidden beast` number, since 68 + 591 + 4 + 3 = 666.

6859143 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 6859143 - 2¹⁰ = 6858119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6859098 and 6859107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6859103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19255 + ... + 19607.

It is an arithmetic number, because the mean of its divisors is an integer number (441792).

Almost surely, 2^6859143 is an apocalyptic number.

6859143 is a deficient number, since it is larger than the sum of its proper divisors (3743865).

6859143 is a wasteful number, since it uses less digits than its factorization.

6859143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 500 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 6859143 is about 2618.9965635716. The cubic root of 6859143 is about 190.0013203971.

The spelling of 6859143 in words is "six million, eight hundred fifty-nine thousand, one hundred forty-three".