9788 has 6 divisors (see below), whose sum is σ = 17136. Its totient is φ = 4892.

The previous prime is 9787. The next prime is 9791. The reversal of 9788 is 8879.

9788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (2856).

2⁹⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

9788 is a deficient number, since it is larger than the sum of its proper divisors (7348).

9788 is a wasteful number, since it uses less digits than its factorization.

9788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2449 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 9788 is about 98.9343216483. The cubic root of 9788 is about 21.3910114521.

Subtracting from 9788 its reverse (8879), we obtain a palindrome (909).

It can be divided in two parts, 9 and 788, that added together give a palindrome (797).

The spelling of 9788 in words is "nine thousand, seven hundred eighty-eight".