9938845 has 16 divisors (see below), whose sum is σ = 13864320. Its totient is φ = 6698304.

The previous prime is 9938833. The next prime is 9938849. The reversal of 9938845 is 5488399.

9938845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9938845 - 2⁵ = 9938813 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9938795 and 9938804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (866520).

Almost surely, 2^9938845 is an apocalyptic number.

It is an amenable number.

9938845 is a deficient number, since it is larger than the sum of its proper divisors (3925475).

9938845 is a wasteful number, since it uses less digits than its factorization.

9938845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884.

The product of its digits is 311040, while the sum is 46.

The square root of 9938845 is about 3152.5933768883. The cubic root of 9938845 is about 215.0033891660.

The spelling of 9938845 in words is "nine million, nine hundred thirty-eight thousand, eight hundred forty-five".