2668197 has 16 divisors (see below), whose sum is σ = 4150400. Its totient is φ = 1524096.

The previous prime is 2668177. The next prime is 2668199. The reversal of 2668197 is 7918662.

2668197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2668197 - 2⁸ = 2667941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268 + ... + 2325.

It is an arithmetic number, because the mean of its divisors is an integer number (259400).

2^2668197 is an apocalyptic number.

It is an amenable number.

2668197 is a deficient number, since it is larger than the sum of its proper divisors (1482203).

2668197 is an equidigital number, since it uses as much as digits as its factorization.

2668197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2603 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 2668197 is about 1633.4616616254. The cubic root of 2668197 is about 138.6987766441.

The spelling of 2668197 in words is "two million, six hundred sixty-eight thousand, one hundred ninety-seven".