9934381 has 2 divisors, whose sum is σ = 9934382. Its totient is φ = 9934380.

The previous prime is 9934363. The next prime is 9934387. The reversal of 9934381 is 1834399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 11881 = 3150^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 9934381 - 2¹⁵ = 9901613 is a prime.

It is a super-2 number, since 2×9934381² = 197383851706322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9934381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9934387) 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 as a sum of consecutive naturals, namely, 4967190 + 4967191.

It is an arithmetic number, because the mean of its divisors is an integer number (4967191).

Almost surely, 2^9934381 is an apocalyptic number.

It is an amenable number.

9934381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9934381 is an equidigital number, since it uses as much as digits as its factorization.

9934381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 9934381 is about 3151.8853088271. The cubic root of 9934381 is about 214.9711949872.

The spelling of 9934381 in words is "nine million, nine hundred thirty-four thousand, three hundred eighty-one".