9907968 has 144 divisors (see below), whose sum is σ = 32049920. Its totient is φ = 2654208.

The previous prime is 9907951. The next prime is 9907993. The reversal of 9907968 is 8697099.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102096 + ... + 102192.

Almost surely, 2^9907968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9907968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16024960).

9907968 is an abundant number, since it is smaller than the sum of its proper divisors (22141952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9907968 is a wasteful number, since it uses less digits than its factorization.

9907968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 9907968 is about 3147.6924881570. The cubic root of 9907968 is about 214.7805079254.

The spelling of 9907968 in words is "nine million, nine hundred seven thousand, nine hundred sixty-eight".