2668607 has 4 divisors (see below), whose sum is σ = 2809080. Its totient is φ = 2528136.

The previous prime is 2668591. The next prime is 2668619. The reversal of 2668607 is 7068662.

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 2668607 - 2⁴ = 2668591 is a prime.

It is a super-3 number, since 3×2668607³ = 57013160601580333629, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668637) 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, 70208 + ... + 70245.

It is an arithmetic number, because the mean of its divisors is an integer number (702270).

2^2668607 is an apocalyptic number.

2668607 is a deficient number, since it is larger than the sum of its proper divisors (140473).

2668607 is a wasteful number, since it uses less digits than its factorization.

2668607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140472.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2668607 is about 1633.5871571483. The cubic root of 2668607 is about 138.7058805156.

The spelling of 2668607 in words is "two million, six hundred sixty-eight thousand, six hundred seven".