9985208 has 8 divisors (see below), whose sum is σ = 18722280. Its totient is φ = 4992600.

The previous prime is 9985207. The next prime is 9985229. The reversal of 9985208 is 8025899.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985207) by changing a digit.

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 as a sum of consecutive naturals, namely, 624068 + ... + 624083.

It is an arithmetic number, because the mean of its divisors is an integer number (2340285).

Almost surely, 2^9985208 is an apocalyptic number.

It is an amenable number.

9985208 is a deficient number, since it is larger than the sum of its proper divisors (8737072).

9985208 is a wasteful number, since it uses less digits than its factorization.

9985208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248157 (or 1248153 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 9985208 is about 3159.9379740748. The cubic root of 9985208 is about 215.3371885895.

The spelling of 9985208 in words is "nine million, nine hundred eighty-five thousand, two hundred eight".