2664868 has 12 divisors (see below), whose sum is σ = 4824540. Its totient is φ = 1286432.

The previous prime is 2664859. The next prime is 2664889. The reversal of 2664868 is 8684662.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 1205604 = 1208^2 + 1098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2664868.

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, 11371 + ... + 11602.

It is an arithmetic number, because the mean of its divisors is an integer number (402045).

2^2664868 is an apocalyptic number.

It is an amenable number.

2664868 is a deficient number, since it is larger than the sum of its proper divisors (2159672).

2664868 is a wasteful number, since it uses less digits than its factorization.

2664868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23006 (or 23004 counting only the distinct ones).

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

The square root of 2664868 is about 1632.4423420140. The cubic root of 2664868 is about 138.6410697123.

The spelling of 2664868 in words is "two million, six hundred sixty-four thousand, eight hundred sixty-eight".