2668788 has 30 divisors (see below), whose sum is σ = 6977586. Its totient is φ = 889488.

The previous prime is 2668781. The next prime is 2668793. The reversal of 2668788 is 8878662.

2668788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2396304 + 272484 = 1548^2 + 522^2 .

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668781) 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 9 ways as a sum of consecutive naturals, for example, 3795 + ... + 4442.

2^2668788 is an apocalyptic number.

It is an amenable number.

2668788 is an abundant number, since it is smaller than the sum of its proper divisors (4308798).

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

2668788 is a wasteful number, since it uses less digits than its factorization.

2668788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253 (or 8242 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 2668788 is about 1633.6425557630. The cubic root of 2668788 is about 138.7090163835.

The spelling of 2668788 in words is "two million, six hundred sixty-eight thousand, seven hundred eighty-eight".