11090388 has 24 divisors (see below), whose sum is σ = 26480608. Its totient is φ = 3610656.

The previous prime is 11090381. The next prime is 11090389. The reversal of 11090388 is 88309011.

11090388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10231 + ... + 11262.

Almost surely, 2^11090388 is an apocalyptic number.

It is an amenable number.

11090388 is an abundant number, since it is smaller than the sum of its proper divisors (15390220).

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

11090388 is a wasteful number, since it uses less digits than its factorization.

11090388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21543 (or 21541 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11090388 is about 3330.2234159287. The cubic root of 11090388 is about 223.0055030247.

Adding to 11090388 its reverse (88309011), we get a palindrome (99399399).

The spelling of 11090388 in words is "eleven million, ninety thousand, three hundred eighty-eight".