2444855 has 24 divisors (see below), whose sum is σ = 3619728. Its totient is φ = 1575168.

The previous prime is 2444839. The next prime is 2444867. The reversal of 2444855 is 5584442.

It is not a de Polignac number, because 2444855 - 2⁴ = 2444839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3872 + ... + 4458.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2^2444855 is an apocalyptic number.

2444855 is a deficient number, since it is larger than the sum of its proper divisors (1174873).

2444855 is a wasteful number, since it uses less digits than its factorization.

2444855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 616 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 2444855 is about 1563.6032105365. The cubic root of 2444855 is about 134.7155418722.

The spelling of 2444855 in words is "two million, four hundred forty-four thousand, eight hundred fifty-five".