11384388 has 60 divisors (see below), whose sum is σ = 30522492. Its totient is φ = 3697920.

The previous prime is 11384383. The next prime is 11384389. The reversal of 11384388 is 88348311.

11384388 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 5391684 + 5992704 = 2322^2 + 2448^2 .

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 (11384381) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12856 + ... + 13712.

Almost surely, 2^11384388 is an apocalyptic number.

11384388 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 11384388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15261246).

11384388 is an abundant number, since it is smaller than the sum of its proper divisors (19138104).

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

11384388 is a wasteful number, since it uses less digits than its factorization.

11384388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 903 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 11384388 is about 3374.0758734800. The cubic root of 11384388 is about 224.9589258356.

The spelling of 11384388 in words is "eleven million, three hundred eighty-four thousand, three hundred eighty-eight".