9938105 has 4 divisors (see below), whose sum is σ = 11925732. Its totient is φ = 7950480.

The previous prime is 9938069. The next prime is 9938107. The reversal of 9938105 is 5018399.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 6801664 = 1771^2 + 2608^2 .

It is not a de Polignac number, because 9938105 - 2⁸ = 9937849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9938107) 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 3 ways as a sum of consecutive naturals, for example, 993806 + ... + 993815.

It is an arithmetic number, because the mean of its divisors is an integer number (2981433).

Almost surely, 2^9938105 is an apocalyptic number.

It is an amenable number.

9938105 is a deficient number, since it is larger than the sum of its proper divisors (1987627).

9938105 is a wasteful number, since it uses less digits than its factorization.

9938105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987626.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 9938105 is about 3152.4760110110. The cubic root of 9938105 is about 214.9980529840.

The spelling of 9938105 in words is "nine million, nine hundred thirty-eight thousand, one hundred five".