9938838 has 64 divisors (see below), whose sum is σ = 24837120. Its totient is φ = 2581632.

The previous prime is 9938833. The next prime is 9938849. The reversal of 9938838 is 8388399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938833) 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, 59431 + ... + 59597.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

Almost surely, 2^9938838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9938838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12418560).

9938838 is an abundant number, since it is smaller than the sum of its proper divisors (14898282).

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

9938838 is a wasteful number, since it uses less digits than its factorization.

9938838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 373248, while the sum is 48.

The square root of 9938838 is about 3152.5922666910. The cubic root of 9938838 is about 215.0033386898.

The spelling of 9938838 in words is "nine million, nine hundred thirty-eight thousand, eight hundred thirty-eight".