9936985 has 8 divisors (see below), whose sum is σ = 12034440. Its totient is φ = 7876224.

The previous prime is 9936977. The next prime is 9937007. The reversal of 9936985 is 5896399.

It can be written as a sum of positive squares in 4 ways, for example, as 2214144 + 7722841 = 1488^2 + 2779^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9936985 - 2³ = 9936977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8572 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (1504305).

Almost surely, 2^9936985 is an apocalyptic number.

It is an amenable number.

9936985 is a deficient number, since it is larger than the sum of its proper divisors (2097455).

9936985 is a wasteful number, since it uses less digits than its factorization.

9936985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18347.

The product of its digits is 524880, while the sum is 49.

The square root of 9936985 is about 3152.2983678580. The cubic root of 9936985 is about 214.9899760966.

The spelling of 9936985 in words is "nine million, nine hundred thirty-six thousand, nine hundred eighty-five".