2481444 has 72 divisors (see below), whose sum is σ = 7367360. Its totient is φ = 689472.

The previous prime is 2481433. The next prime is 2481449. The reversal of 2481444 is 4441842.

It is a happy number.

2481444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2481449) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10722 + ... + 10950.

2^2481444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2481444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3683680).

2481444 is an abundant number, since it is smaller than the sum of its proper divisors (4885916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2481444 is a wasteful number, since it uses less digits than its factorization.

2481444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 284 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 2481444 is about 1575.2599785432. The cubic root of 2481444 is about 135.3842550385.

The spelling of 2481444 in words is "two million, four hundred eighty-one thousand, four hundred forty-four".