2502444 has 48 divisors (see below), whose sum is σ = 6895616. Its totient is φ = 691920.

The previous prime is 2502443. The next prime is 2502463. The reversal of 2502444 is 4442052.

2502444 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2502444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502443) 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 15 ways as a sum of consecutive naturals, for example, 80709 + ... + 80739.

2^2502444 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 2502444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447808).

2502444 is an abundant number, since it is smaller than the sum of its proper divisors (4393172).

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

2502444 is an equidigital number, since it uses as much as digits as its factorization.

2502444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2502444 is about 1581.9115019495. The cubic root of 2502444 is about 135.7650933365.

Adding to 2502444 its reverse (4442052), we get a palindrome (6944496).

The spelling of 2502444 in words is "two million, five hundred two thousand, four hundred forty-four".