2644267 has 8 divisors (see below), whose sum is σ = 2727936. Its totient is φ = 2561832.

The previous prime is 2644261. The next prime is 2644277. The reversal of 2644267 is 7624462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2644267 - 2⁷ = 2644139 is a prime.

It is a Duffinian number.

2644267 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2644261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5748 + ... + 6190.

It is an arithmetic number, because the mean of its divisors is an integer number (340992).

2^2644267 is an apocalyptic number.

2644267 is a deficient number, since it is larger than the sum of its proper divisors (83669).

2644267 is a wasteful number, since it uses less digits than its factorization.

2644267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its digits is 16128, while the sum is 31.

The square root of 2644267 is about 1626.1202292574. The cubic root of 2644267 is about 138.2828860745.

The spelling of 2644267 in words is "two million, six hundred forty-four thousand, two hundred sixty-seven".