9908625 has 16 divisors (see below), whose sum is σ = 16488576. Its totient is φ = 5284400.

The previous prime is 9908621. The next prime is 9908629. The reversal of 9908625 is 5268099.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9908621) and next prime (9908629).

It is not a de Polignac number, because 9908625 - 2² = 9908621 is a prime.

9908625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9908621) 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 in 15 ways as a sum of consecutive naturals, for example, 12837 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (1030536).

Almost surely, 2^9908625 is an apocalyptic number.

It is an amenable number.

9908625 is a deficient number, since it is larger than the sum of its proper divisors (6579951).

9908625 is a wasteful number, since it uses less digits than its factorization.

9908625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26441 (or 26431 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 9908625 is about 3147.7968485911. The cubic root of 9908625 is about 214.7852552047.

The spelling of 9908625 in words is "nine million, nine hundred eight thousand, six hundred twenty-five".