9789081 has 8 divisors (see below), whose sum is σ = 13231200. Its totient is φ = 6436512.

The previous prime is 9789071. The next prime is 9789083. The reversal of 9789081 is 1809879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9789081 - 2⁷ = 9788953 is a prime.

It is a super-2 number, since 2×9789081² = 191652213649122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9789083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22131 + ... + 22568.

It is an arithmetic number, because the mean of its divisors is an integer number (1653900).

Almost surely, 2^9789081 is an apocalyptic number.

It is an amenable number.

9789081 is a deficient number, since it is larger than the sum of its proper divisors (3442119).

9789081 is a wasteful number, since it uses less digits than its factorization.

9789081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44775.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 9789081 is about 3128.7507091489. The cubic root of 9789081 is about 213.9179890718.

The spelling of 9789081 in words is "nine million, seven hundred eighty-nine thousand, eighty-one".