9833985 has 24 divisors (see below), whose sum is σ = 19481280. Its totient is φ = 4495392.

The previous prime is 9833981. The next prime is 9834023. The reversal of 9833985 is 5893389.

It is not a de Polignac number, because 9833985 - 2² = 9833981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9833985.

It is not an unprimeable number, because it can be changed into a prime (9833981) 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, 15295 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (811720).

Almost surely, 2^9833985 is an apocalyptic number.

It is an amenable number.

9833985 is a deficient number, since it is larger than the sum of its proper divisors (9647295).

9833985 is a wasteful number, since it uses less digits than its factorization.

9833985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31237 (or 31234 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 9833985 is about 3135.9185257274. The cubic root of 9833985 is about 214.2445816288.

The spelling of 9833985 in words is "nine million, eight hundred thirty-three thousand, nine hundred eighty-five".