11028988 has 24 divisors (see below), whose sum is σ = 20790000. Its totient is φ = 5100288.

The previous prime is 11028917. The next prime is 11028989. The reversal of 11028988 is 88982011.

11028988 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 (11028989) 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, 2638 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (866250).

Almost surely, 2^11028988 is an apocalyptic number.

It is an amenable number.

11028988 is a deficient number, since it is larger than the sum of its proper divisors (9761012).

11028988 is a wasteful number, since it uses less digits than its factorization.

11028988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 11028988 is about 3320.9920204662. The cubic root of 11028988 is about 222.5931975016.

The spelling of 11028988 in words is "eleven million, twenty-eight thousand, nine hundred eighty-eight".