9938131 has 12 divisors (see below), whose sum is σ = 11659008. Its totient is φ = 8446032.

The previous prime is 9938119. The next prime is 9938141. The reversal of 9938131 is 1318399.

It is not a de Polignac number, because 9938131 - 2¹¹ = 9936083 is a prime.

It is a super-2 number, since 2×9938131² = 197532895546322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9938141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (971584).

Almost surely, 2^9938131 is an apocalyptic number.

9938131 is a deficient number, since it is larger than the sum of its proper divisors (1720877).

9938131 is a wasteful number, since it uses less digits than its factorization.

9938131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1731 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 9938131 is about 3152.4801347511. The cubic root of 9938131 is about 214.9982404760.

The spelling of 9938131 in words is "nine million, nine hundred thirty-eight thousand, one hundred thirty-one".