2668597 has 4 divisors (see below), whose sum is σ = 2671936. Its totient is φ = 2665260.

The previous prime is 2668591. The next prime is 2668619. The reversal of 2668597 is 7958662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2668597 - 2⁷ = 2668469 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 (2668591) 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, 322 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (667984).

2^2668597 is an apocalyptic number.

It is an amenable number.

2668597 is a deficient number, since it is larger than the sum of its proper divisors (3339).

2668597 is a wasteful number, since it uses less digits than its factorization.

2668597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338.

The product of its digits is 181440, while the sum is 43.

The square root of 2668597 is about 1633.5840963966. The cubic root of 2668597 is about 138.7057072591.

The spelling of 2668597 in words is "two million, six hundred sixty-eight thousand, five hundred ninety-seven".