2668446 has 24 divisors (see below), whose sum is σ = 6307704. Its totient is φ = 808560.

The previous prime is 2668433. The next prime is 2668453. The reversal of 2668446 is 6448662.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 6³ + 8⁷ + 4³ + 4³ + 6⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2668446.

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 11 ways as a sum of consecutive naturals, for example, 6541 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (262821).

2^2668446 is an apocalyptic number.

2668446 is an abundant number, since it is smaller than the sum of its proper divisors (3639258).

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

2668446 is a wasteful number, since it uses less digits than its factorization.

2668446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496 (or 13493 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 2668446 is about 1633.5378783487. The cubic root of 2668446 is about 138.7030910334.

The spelling of 2668446 in words is "two million, six hundred sixty-eight thousand, four hundred forty-six".