2668291 has 4 divisors (see below), whose sum is σ = 2673000. Its totient is φ = 2663584.

The previous prime is 2668277. The next prime is 2668297. The reversal of 2668291 is 1928662.

It is a happy number.

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 2668291 - 2⁷ = 2668163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (668250).

2^2668291 is an apocalyptic number.

2668291 is a deficient number, since it is larger than the sum of its proper divisors (4709).

2668291 is an equidigital number, since it uses as much as digits as its factorization.

2668291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its digits is 10368, while the sum is 34.

The square root of 2668291 is about 1633.4904346215. The cubic root of 2668291 is about 138.7004054009.

The spelling of 2668291 in words is "two million, six hundred sixty-eight thousand, two hundred ninety-one".