9490181 has 2 divisors, whose sum is σ = 9490182. Its totient is φ = 9490180.

The previous prime is 9490157. The next prime is 9490183. The reversal of 9490181 is 1810949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6100900 + 3389281 = 2470^2 + 1841^2 .

It is a cyclic number.

It is not a de Polignac number, because 9490181 - 2¹⁰ = 9489157 is a prime.

It is a super-2 number, since 2×9490181² = 180127070825522, which contains 22 as substring.

Together with 9490183, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9490183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745090 + 4745091.

It is an arithmetic number, because the mean of its divisors is an integer number (4745091).

Almost surely, 2^9490181 is an apocalyptic number.

It is an amenable number.

9490181 is a deficient number, since it is larger than the sum of its proper divisors (1).

9490181 is an equidigital number, since it uses as much as digits as its factorization.

9490181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 9490181 is about 3080.6137375530. The cubic root of 9490181 is about 211.7181864243.

The spelling of 9490181 in words is "nine million, four hundred ninety thousand, one hundred eighty-one".