2668089 has 4 divisors (see below), whose sum is σ = 3557456. Its totient is φ = 1778724.

The previous prime is 2668063. The next prime is 2668091. The reversal of 2668089 is 9808662.

2668089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2668089 - 2¹² = 2663993 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2668889) 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 3 ways as a sum of consecutive naturals, for example, 444679 + ... + 444684.

It is an arithmetic number, because the mean of its divisors is an integer number (889364).

2^2668089 is an apocalyptic number.

It is an amenable number.

2668089 is a deficient number, since it is larger than the sum of its proper divisors (889367).

2668089 is an equidigital number, since it uses as much as digits as its factorization.

2668089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889366.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2668089 is about 1633.4286026637. The cubic root of 2668089 is about 138.6969052593.

The spelling of 2668089 in words is "two million, six hundred sixty-eight thousand, eighty-nine".