9985533 has 16 divisors (see below), whose sum is σ = 13608000. Its totient is φ = 6512000.

The previous prime is 9985501. The next prime is 9985553. The reversal of 9985533 is 3355899.

It is a cyclic number.

It is not a de Polignac number, because 9985533 - 2⁵ = 9985501 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

9985533 is a lucky number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39658 + ... + 39908.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^9985533 is an apocalyptic number.

It is an amenable number.

9985533 is a deficient number, since it is larger than the sum of its proper divisors (3622467).

9985533 is a wasteful number, since it uses less digits than its factorization.

9985533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 145800, while the sum is 42.

The square root of 9985533 is about 3159.9893987164. The cubic root of 9985533 is about 215.3395248395.

The spelling of 9985533 in words is "nine million, nine hundred eighty-five thousand, five hundred thirty-three".