2816668 has 12 divisors (see below), whose sum is σ = 4975992. Its totient is φ = 1394960.

The previous prime is 2816657. The next prime is 2816701. The reversal of 2816668 is 8666182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863 + ... + 3718.

It is an arithmetic number, because the mean of its divisors is an integer number (414666).

2^2816668 is an apocalyptic number.

It is an amenable number.

2816668 is a deficient number, since it is larger than the sum of its proper divisors (2159324).

2816668 is a wasteful number, since it uses less digits than its factorization.

2816668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692 (or 6690 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 2816668 is about 1678.2931805856. The cubic root of 2816668 is about 141.2250985941.

The spelling of 2816668 in words is "two million, eight hundred sixteen thousand, six hundred sixty-eight".