2668887 has 12 divisors (see below), whose sum is σ = 4151784. Its totient is φ = 1642320.

The previous prime is 2668879. The next prime is 2668889. The reversal of 2668887 is 7888662.

It is not a de Polignac number, because 2668887 - 2³ = 2668879 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 11289 + ... + 11522.

It is an arithmetic number, because the mean of its divisors is an integer number (345982).

2^2668887 is an apocalyptic number.

2668887 is a deficient number, since it is larger than the sum of its proper divisors (1482897).

2668887 is a wasteful number, since it uses less digits than its factorization.

2668887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22830 (or 22827 counting only the distinct ones).

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

The square root of 2668887 is about 1633.6728558680. The cubic root of 2668887 is about 138.7107315220.

The spelling of 2668887 in words is "two million, six hundred sixty-eight thousand, eight hundred eighty-seven".