11028784 has 40 divisors (see below), whose sum is σ = 24373440. Its totient is φ = 4789248.

The previous prime is 11028763. The next prime is 11028821. The reversal of 11028784 is 48782011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1977 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (609336).

Almost surely, 2^11028784 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 11028784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12186720).

11028784 is an abundant number, since it is smaller than the sum of its proper divisors (13344656).

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

11028784 is a wasteful number, since it uses less digits than its factorization.

11028784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 11028784 is about 3320.9613066099. The cubic root of 11028784 is about 222.5918250791.

The spelling of 11028784 in words is "eleven million, twenty-eight thousand, seven hundred eighty-four".