2818806 has 8 divisors (see below), whose sum is σ = 5637624. Its totient is φ = 939600.

The previous prime is 2818789. The next prime is 2818817. The reversal of 2818806 is 6088182.

2818806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2818806 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 234895 + ... + 234906.

It is an arithmetic number, because the mean of its divisors is an integer number (704703).

2^2818806 is an apocalyptic number.

2818806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2818806 is a wasteful number, since it uses less digits than its factorization.

2818806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469806.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 2818806 is about 1678.9300164093. The cubic root of 2818806 is about 141.2608219970.

The spelling of 2818806 in words is "two million, eight hundred eighteen thousand, eight hundred six".