9789955 has 24 divisors (see below), whose sum is σ = 14117760. Its totient is φ = 6491520.

The previous prime is 9789953. The next prime is 9789971. The reversal of 9789955 is 5599879.

9789955 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9789955 - 2¹ = 9789953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9789953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6951 + ... + 8239.

It is an arithmetic number, because the mean of its divisors is an integer number (588240).

Almost surely, 2^9789955 is an apocalyptic number.

9789955 is a deficient number, since it is larger than the sum of its proper divisors (4327805).

9789955 is a wasteful number, since it uses less digits than its factorization.

9789955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1332 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 52.

The square root of 9789955 is about 3128.8903783930. The cubic root of 9789955 is about 213.9243553064.

The spelling of 9789955 in words is "nine million, seven hundred eighty-nine thousand, nine hundred fifty-five".