11443856 has 20 divisors (see below), whose sum is σ = 23477292. Its totient is φ = 5385216.

The previous prime is 11443853. The next prime is 11443877. The reversal of 11443856 is 65834411.

11443856 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 2 ways, for example, as 3936256 + 7507600 = 1984^2 + 2740^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443853) 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, 20765 + ... + 21308.

Almost surely, 2^11443856 is an apocalyptic number.

11443856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11443856 is an abundant number, since it is smaller than the sum of its proper divisors (12033436).

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

11443856 is a wasteful number, since it uses less digits than its factorization.

11443856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42098 (or 42092 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 11443856 is about 3382.8768821818. The cubic root of 11443856 is about 225.3499476174.

The spelling of 11443856 in words is "eleven million, four hundred forty-three thousand, eight hundred fifty-six".