9009788 has 12 divisors (see below), whose sum is σ = 16065000. Its totient is φ = 4419792.

The previous prime is 9009773. The next prime is 9009811. The reversal of 9009788 is 8879009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21038 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (1338750).

Almost surely, 2^9009788 is an apocalyptic number.

It is an amenable number.

9009788 is a deficient number, since it is larger than the sum of its proper divisors (7055212).

9009788 is a wasteful number, since it uses less digits than its factorization.

9009788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42556 (or 42554 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9009788 is about 3001.6308900330. The cubic root of 9009788 is about 208.0837618759.

The spelling of 9009788 in words is "nine million, nine thousand, seven hundred eighty-eight".