2766806 has 16 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 1174056.

The previous prime is 2766793. The next prime is 2766821. The reversal of 2766806 is 6086672.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

2^2766806 is an apocalyptic number.

2766806 is a deficient number, since it is larger than the sum of its proper divisors (2023210).

2766806 is a wasteful number, since it uses less digits than its factorization.

2766806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2766806 is about 1663.3718766409. The cubic root of 2766806 is about 140.3867875544.

The spelling of 2766806 in words is "two million, seven hundred sixty-six thousand, eight hundred six".