9028789 has 16 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 7032480.

The previous prime is 9028787. The next prime is 9028801. The reversal of 9028789 is 9878209.

It is not a de Polignac number, because 9028789 - 2¹ = 9028787 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9028787) 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 15 ways as a sum of consecutive naturals, for example, 2577 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^9028789 is an apocalyptic number.

It is an amenable number.

9028789 is a deficient number, since it is larger than the sum of its proper divisors (2462411).

9028789 is a wasteful number, since it uses less digits than its factorization.

9028789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 9028789 is about 3004.7943357242. The cubic root of 9028789 is about 208.2299371016.

The spelling of 9028789 in words is "nine million, twenty-eight thousand, seven hundred eighty-nine".