11644244 has 6 divisors (see below), whose sum is σ = 20377434. Its totient is φ = 5822120.

The previous prime is 11644223. The next prime is 11644261. The reversal of 11644244 is 44244611.

11644244 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., 11641744 + 2500 = 3412^2 + 50^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1455527 + ... + 1455534.

It is an arithmetic number, because the mean of its divisors is an integer number (3396239).

Almost surely, 2^11644244 is an apocalyptic number.

It is an amenable number.

11644244 is a deficient number, since it is larger than the sum of its proper divisors (8733190).

11644244 is a wasteful number, since it uses less digits than its factorization.

11644244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911065 (or 2911063 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 11644244 is about 3412.3663343785. The cubic root of 11644244 is about 226.6576764985.

Adding to 11644244 its reverse (44244611), we get a palindrome (55888855).

The spelling of 11644244 in words is "eleven million, six hundred forty-four thousand, two hundred forty-four".