9824985 has 24 divisors (see below), whose sum is σ = 17581824. Its totient is φ = 5070240.

The previous prime is 9824951. The next prime is 9824987. The reversal of 9824985 is 5894289.

It is not a de Polignac number, because 9824985 - 2¹⁵ = 9792217 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9824985.

It is not an unprimeable number, because it can be changed into a prime (9824987) 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, 2127 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (732576).

Almost surely, 2^9824985 is an apocalyptic number.

It is an amenable number.

9824985 is a deficient number, since it is larger than the sum of its proper divisors (7756839).

9824985 is a wasteful number, since it uses less digits than its factorization.

9824985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085 (or 7082 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9824985 is about 3134.4832109935. The cubic root of 9824985 is about 214.1792032578.

The spelling of 9824985 in words is "nine million, eight hundred twenty-four thousand, nine hundred eighty-five".