2549444 has 12 divisors (see below), whose sum is σ = 4473084. Its totient is φ = 1271424.

The previous prime is 2549431. The next prime is 2549447. The reversal of 2549444 is 4449452.

2549444 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 can be written as a sum of positive squares in 2 ways, for example, as 1254400 + 1295044 = 1120^2 + 1138^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2549444.

It is not an unprimeable number, because it can be changed into a prime (2549447) 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 3 ways as a sum of consecutive naturals, for example, 1952 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (372757).

2^2549444 is an apocalyptic number.

It is an amenable number.

2549444 is a deficient number, since it is larger than the sum of its proper divisors (1923640).

2549444 is a wasteful number, since it uses less digits than its factorization.

2549444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2549444 is about 1596.6978424235. The cubic root of 2549444 is about 136.6097905974.

The spelling of 2549444 in words is "two million, five hundred forty-nine thousand, four hundred forty-four".