2668811 has 8 divisors (see below), whose sum is σ = 2757264. Its totient is φ = 2581920.

The previous prime is 2668793. The next prime is 2668829. The reversal of 2668811 is 1188662.

It is an interprime number because it is at equal distance from previous prime (2668793) and next prime (2668829).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2668811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 4413.

It is an arithmetic number, because the mean of its divisors is an integer number (344658).

2^2668811 is an apocalyptic number.

2668811 is a deficient number, since it is larger than the sum of its proper divisors (88453).

2668811 is an equidigital number, since it uses as much as digits as its factorization.

2668811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781.

The product of its digits is 4608, while the sum is 32.

The square root of 2668811 is about 1633.6495952315. The cubic root of 2668811 is about 138.7094148538.

The spelling of 2668811 in words is "two million, six hundred sixty-eight thousand, eight hundred eleven".