6854859 has 24 divisors (see below), whose sum is σ = 11439792. Its totient is φ = 3909120.

The previous prime is 6854857. The next prime is 6854863. The reversal of 6854859 is 9584586.

It is not a de Polignac number, because 6854859 - 2¹ = 6854857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6854857) 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, 354 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (476658).

Almost surely, 2^6854859 is an apocalyptic number.

6854859 is a deficient number, since it is larger than the sum of its proper divisors (4584933).

6854859 is a wasteful number, since it uses less digits than its factorization.

6854859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4104 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 6854859 is about 2618.1785653389. The cubic root of 6854859 is about 189.9617559221.

The spelling of 6854859 in words is "six million, eight hundred fifty-four thousand, eight hundred fifty-nine".