2668499 has 4 divisors (see below), whose sum is σ = 2673360. Its totient is φ = 2663640.

The previous prime is 2668469. The next prime is 2668553. The reversal of 2668499 is 9948662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2668499 - 2⁸ = 2668243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668459) by changing a digit.

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, 1484 + ... + 2745.

It is an arithmetic number, because the mean of its divisors is an integer number (668340).

2^2668499 is an apocalyptic number.

2668499 is a deficient number, since it is larger than the sum of its proper divisors (4861).

2668499 is an equidigital number, since it uses as much as digits as its factorization.

2668499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its digits is 186624, while the sum is 44.

The square root of 2668499 is about 1633.5541007264. The cubic root of 2668499 is about 138.7040093225.

The spelling of 2668499 in words is "two million, six hundred sixty-eight thousand, four hundred ninety-nine".