9908244 has 60 divisors (see below), whose sum is σ = 26436564. Its totient is φ = 3234816.

The previous prime is 9908231. The next prime is 9908257. The reversal of 9908244 is 4428099.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9908231) and next prime (9908257).

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 980100 = 2988^2 + 990^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9908199 and 9908208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16884 + ... + 17460.

Almost surely, 2^9908244 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 9908244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13218282).

9908244 is an abundant number, since it is smaller than the sum of its proper divisors (16528320).

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

9908244 is a wasteful number, since it uses less digits than its factorization.

9908244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9908244 is about 3147.7363294914. The cubic root of 9908244 is about 214.7825022418.

The spelling of 9908244 in words is "nine million, nine hundred eight thousand, two hundred forty-four".