9938263 has 2 divisors, whose sum is σ = 9938264. Its totient is φ = 9938262.

The previous prime is 9938249. The next prime is 9938281. The reversal of 9938263 is 3628399.

It is a weak prime.

It is an emirp because it is prime and its reverse (3628399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9938263 - 2⁹ = 9937751 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9938233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4969131 + 4969132.

It is an arithmetic number, because the mean of its divisors is an integer number (4969132).

Almost surely, 2^9938263 is an apocalyptic number.

9938263 is a deficient number, since it is larger than the sum of its proper divisors (1).

9938263 is an equidigital number, since it uses as much as digits as its factorization.

9938263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 9938263 is about 3152.5010705787. The cubic root of 9938263 is about 214.9991923532. Note that the first 3 decimals are identical.

It can be divided in two parts, 9938 and 263, that added together give a palindrome (10201).

The spelling of 9938263 in words is "nine million, nine hundred thirty-eight thousand, two hundred sixty-three".