2644383 has 12 divisors (see below), whose sum is σ = 4101720. Its totient is φ = 1510992.

The previous prime is 2644381. The next prime is 2644387. The reversal of 2644383 is 3834462.

2644383 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2644383 - 2¹ = 2644381 is a prime.

It is a super-2 number, since 2×2644383² = 13985522901378, which contains 22 as substring.

It is an Ulam number.

2644383 is strictly pandigital in base 8.

2644383 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2644383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644381) 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, 8848 + ... + 9141.

It is an arithmetic number, because the mean of its divisors is an integer number (341810).

2^2644383 is an apocalyptic number.

2644383 is a deficient number, since it is larger than the sum of its proper divisors (1457337).

2644383 is a wasteful number, since it uses less digits than its factorization.

2644383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18006 (or 17999 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 2644383 is about 1626.1558965856. The cubic root of 2644383 is about 138.2849081320.

The spelling of 2644383 in words is "two million, six hundred forty-four thousand, three hundred eighty-three".