11000388 has 24 divisors (see below), whose sum is σ = 29334592. Its totient is φ = 3142944.

The previous prime is 11000387. The next prime is 11000393. The reversal of 11000388 is 88300011.

It is a happy number.

11000388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11000383) 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, 65395 + ... + 65562.

Almost surely, 2^11000388 is an apocalyptic number.

It is an amenable number.

11000388 is an abundant number, since it is smaller than the sum of its proper divisors (18334204).

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

11000388 is a wasteful number, since it uses less digits than its factorization.

11000388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130971 (or 130969 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11000388 is about 3316.6832830405. The cubic root of 11000388 is about 222.4006238876.

Adding to 11000388 its reverse (88300011), we get a palindrome (99300399).

The spelling of 11000388 in words is "eleven million, three hundred eighty-eight", and thus it is an aban number.