2806166 has 16 divisors (see below), whose sum is σ = 4620240. Its totient is φ = 1267680.

The previous prime is 2806157. The next prime is 2806169. The reversal of 2806166 is 6616082.

2806166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806169) 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 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (288765).

2^2806166 is an apocalyptic number.

2806166 is a deficient number, since it is larger than the sum of its proper divisors (1814074).

2806166 is a wasteful number, since it uses less digits than its factorization.

2806166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2806166 is about 1675.1614847530. The cubic root of 2806166 is about 141.0493598458.

It can be divided in two parts, 280 and 6166, that added together give a palindrome (6446).

The spelling of 2806166 in words is "two million, eight hundred six thousand, one hundred sixty-six".