9934181 has 2 divisors, whose sum is σ = 9934182. Its totient is φ = 9934180.

The previous prime is 9934163. The next prime is 9934189. The reversal of 9934181 is 1814399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9821956 + 112225 = 3134^2 + 335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9934181 is a prime.

It is a super-2 number, since 2×9934181² = 197375904281522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9934189) 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, 4967090 + 4967091.

It is an arithmetic number, because the mean of its divisors is an integer number (4967091).

Almost surely, 2^9934181 is an apocalyptic number.

It is an amenable number.

9934181 is a deficient number, since it is larger than the sum of its proper divisors (1).

9934181 is an equidigital number, since it uses as much as digits as its factorization.

9934181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 9934181 is about 3151.8535816246. The cubic root of 9934181 is about 214.9697523700.

The spelling of 9934181 in words is "nine million, nine hundred thirty-four thousand, one hundred eighty-one".