2668805 has 12 divisors (see below), whose sum is σ = 3351180. Its totient is φ = 2040192.

The previous prime is 2668793. The next prime is 2668829. The reversal of 2668805 is 5088662.

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 1779556 = 943^2 + 1334^2 .

It is not a de Polignac number, because 2668805 - 2¹² = 2664709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2141 + ... + 3149.

It is an arithmetic number, because the mean of its divisors is an integer number (279265).

2^2668805 is an apocalyptic number.

It is an amenable number.

2668805 is a deficient number, since it is larger than the sum of its proper divisors (682375).

2668805 is a wasteful number, since it uses less digits than its factorization.

2668805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2668805 is about 1633.6477588513. The cubic root of 2668805 is about 138.7093109052.

The spelling of 2668805 in words is "two million, six hundred sixty-eight thousand, eight hundred five".