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11444 = 222861

11444 has 6 divisors (see below), whose sum is σ = 20034. Its totient is φ = 5720.

The previous prime is 11443. The next prime is 11447. The reversal of 11444 is 44411.

Adding to 11444 its reverse (44411), we get a palindrome (55855).

It can be divided in two parts, 11 and 444, that multiplied together give a palindrome (4884).

11444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10000 + 1444 = 100^2 + 38^2 .

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10 and base 15.

It is a nialpdrome in base 11.

It is a zygodrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 11444.

It is not an unprimeable number, because it can be changed into a prime (11443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (3339).

211444 is an apocalyptic number.

It is an amenable number.

11444 is a deficient number, since it is larger than the sum of its proper divisors (8590).

11444 is a wasteful number, since it uses less digits than its factorization.

11444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2863 counting only the distinct ones).

The product of its digits is 64, while the sum is 14.

The square root of 11444 is about 106.9766329625. The cubic root of 11444 is about 22.5350892819.

The spelling of 11444 in words is "eleven thousand, four hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 2861 5722 11444