2868664 has 16 divisors (see below), whose sum is σ = 5400720. Its totient is φ = 1428480.

The previous prime is 2868617. The next prime is 2868673. The reversal of 2868664 is 4668682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912 + ... + 3064.

It is an arithmetic number, because the mean of its divisors is an integer number (337545).

2^2868664 is an apocalyptic number.

It is an amenable number.

2868664 is a deficient number, since it is larger than the sum of its proper divisors (2532056).

2868664 is a wasteful number, since it uses less digits than its factorization.

2868664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1466 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 2868664 is about 1693.7130807784. The cubic root of 2868664 is about 142.0888156932.

The spelling of 2868664 in words is "two million, eight hundred sixty-eight thousand, six hundred sixty-four".