9908620 has 48 divisors (see below), whose sum is σ = 22292928. Its totient is φ = 3686400.

The previous prime is 9908617. The next prime is 9908621. The reversal of 9908620 is 268099.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 51244 + ... + 51436.

It is an arithmetic number, because the mean of its divisors is an integer number (464436).

Almost surely, 2^9908620 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 9908620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11146464).

9908620 is an abundant number, since it is smaller than the sum of its proper divisors (12384308).

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

9908620 is a wasteful number, since it uses less digits than its factorization.

9908620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 9908620 is about 3147.7960543847. The cubic root of 9908620 is about 214.7852190771.

The spelling of 9908620 in words is "nine million, nine hundred eight thousand, six hundred twenty".