11383988 has 48 divisors (see below), whose sum is σ = 25933824. Its totient is φ = 4239840.

The previous prime is 11383987. The next prime is 11383993. The reversal of 11383988 is 88938311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11383987) 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 15 ways as a sum of consecutive naturals, for example, 6281 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (540288).

Almost surely, 2^11383988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11383988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12966912).

11383988 is an abundant number, since it is smaller than the sum of its proper divisors (14549836).

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

11383988 is a wasteful number, since it uses less digits than its factorization.

11383988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1650 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 11383988 is about 3374.0165974696. The cubic root of 11383988 is about 224.9562910981.

The spelling of 11383988 in words is "eleven million, three hundred eighty-three thousand, nine hundred eighty-eight".