9009028 has 12 divisors (see below), whose sum is σ = 18018112. Its totient is φ = 3861000.

The previous prime is 9009023. The next prime is 9009041. The reversal of 9009028 is 8209009.

It is a happy number.

9009028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

9009028 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 321751 = 9009028 / (9 + 0 + 0 + 9 + 0 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 9008987 and 9009005.

It is not an unprimeable number, because it can be changed into a prime (9009023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 160848 + ... + 160903.

Almost surely, 2^9009028 is an apocalyptic number.

It is an amenable number.

9009028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9009028 is a wasteful number, since it uses less digits than its factorization.

9009028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321762 (or 321760 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 9009028 is about 3001.5042895188. The cubic root of 9009028 is about 208.0779109019.

The spelling of 9009028 in words is "nine million, nine thousand, twenty-eight".