2668617 has 12 divisors (see below), whose sum is σ = 4405440. Its totient is φ = 1524888.

The previous prime is 2668591. The next prime is 2668619. The reversal of 2668617 is 7168662.

It is a happy number.

It is not a de Polignac number, because 2668617 - 2⁶ = 2668553 is a prime.

It is a super-3 number, since 3×2668617³ = 57013801535680923339, which contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2668619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21117 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (367120).

2^2668617 is an apocalyptic number.

It is an amenable number.

2668617 is a deficient number, since it is larger than the sum of its proper divisors (1736823).

2668617 is a wasteful number, since it uses less digits than its factorization.

2668617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42372 (or 42369 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2668617 is about 1633.5902178943. The cubic root of 2668617 is about 138.7060537717.

The spelling of 2668617 in words is "two million, six hundred sixty-eight thousand, six hundred seventeen".