11028330 has 48 divisors (see below), whose sum is σ = 28874664. Its totient is φ = 2920320.

The previous prime is 11028319. The next prime is 11028377. The reversal of 11028330 is 3382011.

It can be written as a sum of positive squares in 4 ways, for example, as 8946081 + 2082249 = 2991^2 + 1443^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15952 + ... + 16628.

Almost surely, 2^11028330 is an apocalyptic number.

11028330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11028330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14437332).

11028330 is an abundant number, since it is smaller than the sum of its proper divisors (17846334).

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

11028330 is a wasteful number, since it uses less digits than its factorization.

11028330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11028330 is about 3320.8929522043. The cubic root of 11028330 is about 222.5887707057.

The spelling of 11028330 in words is "eleven million, twenty-eight thousand, three hundred thirty".