11443444 has 12 divisors (see below), whose sum is σ = 20099268. Its totient is φ = 5700800.

The previous prime is 11443441. The next prime is 11443457. The reversal of 11443444 is 44434411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7290000 + 4153444 = 2700^2 + 2038^2 .

It is a super-2 number, since 2×11443444² = 261904821162272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3967 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (1674939).

Almost surely, 2^11443444 is an apocalyptic number.

It is an amenable number.

11443444 is a deficient number, since it is larger than the sum of its proper divisors (8655824).

11443444 is a wasteful number, since it uses less digits than its factorization.

11443444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466 (or 10464 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 11443444 is about 3382.8159867188. The cubic root of 11443444 is about 225.3472432465.

Adding to 11443444 its reverse (44434411), we get a palindrome (55877855).

The spelling of 11443444 in words is "eleven million, four hundred forty-three thousand, four hundred forty-four".