11443788 has 96 divisors (see below), whose sum is σ = 32901120. Its totient is φ = 3421440.

The previous prime is 11443781. The next prime is 11443793. The reversal of 11443788 is 88734411.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11443781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42093 + ... + 42363.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

Almost surely, 2^11443788 is an apocalyptic number.

11443788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11443788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16450560).

11443788 is an abundant number, since it is smaller than the sum of its proper divisors (21457332).

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

11443788 is a wasteful number, since it uses less digits than its factorization.

11443788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 316 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 11443788 is about 3382.8668315498. The cubic root of 11443788 is about 225.3495012694.

The spelling of 11443788 in words is "eleven million, four hundred forty-three thousand, seven hundred eighty-eight".