9985156 has 12 divisors (see below), whose sum is σ = 17720640. Its totient is φ = 4922120.

The previous prime is 9985139. The next prime is 9985169. The reversal of 9985156 is 6515899.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17296 + ... + 17863.

It is an arithmetic number, because the mean of its divisors is an integer number (1476720).

Almost surely, 2^9985156 is an apocalyptic number.

It is an amenable number.

9985156 is a deficient number, since it is larger than the sum of its proper divisors (7735484).

9985156 is a wasteful number, since it uses less digits than its factorization.

9985156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35234 (or 35232 counting only the distinct ones).

The product of its digits is 97200, while the sum is 43.

The square root of 9985156 is about 3159.9297460545. The cubic root of 9985156 is about 215.3368147848.

The spelling of 9985156 in words is "nine million, nine hundred eighty-five thousand, one hundred fifty-six".