9985149 has 12 divisors (see below), whose sum is σ = 14597856. Its totient is φ = 6576072.

The previous prime is 9985139. The next prime is 9985169. The reversal of 9985149 is 9415899.

It is not a de Polignac number, because 9985149 - 2⁷ = 9985021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5937 + ... + 7430.

It is an arithmetic number, because the mean of its divisors is an integer number (1216488).

Almost surely, 2^9985149 is an apocalyptic number.

It is an amenable number.

9985149 is a deficient number, since it is larger than the sum of its proper divisors (4612707).

9985149 is a wasteful number, since it uses less digits than its factorization.

9985149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13456 (or 13453 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 9985149 is about 3159.9286384347. The cubic root of 9985149 is about 215.3367644648.

The spelling of 9985149 in words is "nine million, nine hundred eighty-five thousand, one hundred forty-nine".