2644255 has 8 divisors (see below), whose sum is σ = 3182400. Its totient is φ = 2109216.

The previous prime is 2644247. The next prime is 2644261. The reversal of 2644255 is 5524462.

2644255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2644255 - 2³ = 2644247 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2026 + ... + 3064.

It is an arithmetic number, because the mean of its divisors is an integer number (397800).

2^2644255 is an apocalyptic number.

2644255 is a deficient number, since it is larger than the sum of its proper divisors (538145).

2644255 is a wasteful number, since it uses less digits than its factorization.

2644255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553.

The product of its digits is 9600, while the sum is 28.

The square root of 2644255 is about 1626.1165394891. The cubic root of 2644255 is about 138.2826768927.

The spelling of 2644255 in words is "two million, six hundred forty-four thousand, two hundred fifty-five".