9886625 has 16 divisors (see below), whose sum is σ = 14102400. Its totient is φ = 6778800.

The previous prime is 9886621. The next prime is 9886633. The reversal of 9886625 is 5266889.

It is a happy number.

It is not a de Polignac number, because 9886625 - 2² = 9886621 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9886621) 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 15 ways as a sum of consecutive naturals, for example, 4775 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (881400).

Almost surely, 2^9886625 is an apocalyptic number.

It is an amenable number.

9886625 is a deficient number, since it is larger than the sum of its proper divisors (4215775).

9886625 is a wasteful number, since it uses less digits than its factorization.

9886625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321 (or 11311 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 9886625 is about 3144.3003991349. The cubic root of 9886625 is about 214.6261757128.

The spelling of 9886625 in words is "nine million, eight hundred eighty-six thousand, six hundred twenty-five".