6818859 has 6 divisors (see below), whose sum is σ = 9849476. Its totient is φ = 4545900.

The previous prime is 6818849. The next prime is 6818863. The reversal of 6818859 is 9588186.

It is not a de Polignac number, because 6818859 - 2⁴ = 6818843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6818839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378817 + ... + 378834.

Almost surely, 2^6818859 is an apocalyptic number.

6818859 is a deficient number, since it is larger than the sum of its proper divisors (3030617).

6818859 is a wasteful number, since it uses less digits than its factorization.

6818859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757657 (or 757654 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 6818859 is about 2611.2945065618. The cubic root of 6818859 is about 189.6286282413.

The spelling of 6818859 in words is "six million, eight hundred eighteen thousand, eight hundred fifty-nine".