2444865 has 16 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 1297472.

The previous prime is 2444839. The next prime is 2444867. The reversal of 2444865 is 5684442.

It is a cyclic number.

It is not a de Polignac number, because 2444865 - 2⁵ = 2444833 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4 + 4⁸ + 4⁹ + 8⁵ + 6³ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (2444867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5626 + ... + 6044.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

2^2444865 is an apocalyptic number.

It is an amenable number.

2444865 is a deficient number, since it is larger than the sum of its proper divisors (1486335).

2444865 is a wasteful number, since it uses less digits than its factorization.

2444865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its digits is 30720, while the sum is 33.

The square root of 2444865 is about 1563.6064082754. The cubic root of 2444865 is about 134.7157255442.

The spelling of 2444865 in words is "two million, four hundred forty-four thousand, eight hundred sixty-five".