9925917 has 16 divisors (see below), whose sum is σ = 13774080. Its totient is φ = 6350400.

The previous prime is 9925907. The next prime is 9925919. The reversal of 9925917 is 7195299.

It is not a de Polignac number, because 9925917 - 2¹⁴ = 9909533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9925919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23367 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (860880).

Almost surely, 2^9925917 is an apocalyptic number.

It is an amenable number.

9925917 is a deficient number, since it is larger than the sum of its proper divisors (3848163).

9925917 is a wasteful number, since it uses less digits than its factorization.

9925917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724.

The product of its digits is 51030, while the sum is 42.

The square root of 9925917 is about 3150.5423342656. The cubic root of 9925917 is about 214.9101264893.

The spelling of 9925917 in words is "nine million, nine hundred twenty-five thousand, nine hundred seventeen".