2668456 has 32 divisors (see below), whose sum is σ = 6056640. Its totient is φ = 1075968.

The previous prime is 2668453. The next prime is 2668459. The reversal of 2668456 is 6548662.

2668456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2668453) and next prime (2668459).

It is not an unprimeable number, because it can be changed into a prime (2668453) 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, 450 + ... + 2353.

It is an arithmetic number, because the mean of its divisors is an integer number (189270).

2^2668456 is an apocalyptic number.

It is an amenable number.

2668456 is an abundant number, since it is smaller than the sum of its proper divisors (3388184).

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

2668456 is a wasteful number, since it uses less digits than its factorization.

2668456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833 (or 2829 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 2668456 is about 1633.5409391870. The cubic root of 2668456 is about 138.7032642964.

The spelling of 2668456 in words is "two million, six hundred sixty-eight thousand, four hundred fifty-six".