2668888 has 16 divisors (see below), whose sum is σ = 5040000. Its totient is φ = 1324896.

The previous prime is 2668879. The next prime is 2668889. The reversal of 2668888 is 8888662.

It is a d-powerful number, because it can be written as 2²¹ + 6³ + 6⁶ + 8² + 8³ + 8⁶ + 8⁶ .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (315000).

2^2668888 is an apocalyptic number.

It is an amenable number.

2668888 is a deficient number, since it is larger than the sum of its proper divisors (2371112).

2668888 is a wasteful number, since it uses less digits than its factorization.

2668888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2390 counting only the distinct ones).

The product of its digits is 294912, while the sum is 46.

The square root of 2668888 is about 1633.6731619268. The cubic root of 2668888 is about 138.7107488464.

The spelling of 2668888 in words is "two million, six hundred sixty-eight thousand, eight hundred eighty-eight".