9938808 has 128 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 2914560.

The previous prime is 9938807. The next prime is 9938809. The reversal of 9938808 is 8088399.

It is an interprime number because it is at equal distance from previous prime (9938807) and next prime (9938809).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111628 + ... + 111716.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

Almost surely, 2^9938808 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 9938808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15552000).

9938808 is an abundant number, since it is smaller than the sum of its proper divisors (21165192).

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

9938808 is a wasteful number, since it uses less digits than its factorization.

9938808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 9938808 is about 3152.5875086982. The cubic root of 9938808 is about 215.0031223632.

It can be divided in two parts, 993 and 8808, that added together give a square (9801 = 99²).

The spelling of 9938808 in words is "nine million, nine hundred thirty-eight thousand, eight hundred eight".