38326181 has 2 divisors, whose sum is σ = 38326182. Its totient is φ = 38326180.

The previous prime is 38326151. The next prime is 38326213. The reversal of 38326181 is 18162383.

It is a happy number.

38326181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (38326213) can be obtained adding 38326181 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20340100 + 17986081 = 4510^2 + 4241^2 .

It is a cyclic number.

It is not a de Polignac number, because 38326181 - 2¹⁴ = 38309797 is a prime.

It is a super-2 number, since 2×38326181² = 2937792300089522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38326121) 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, 19163090 + 19163091.

It is an arithmetic number, because the mean of its divisors is an integer number (19163091).

Almost surely, 2^38326181 is an apocalyptic number.

It is an amenable number.

38326181 is a deficient number, since it is larger than the sum of its proper divisors (1).

38326181 is an equidigital number, since it uses as much as digits as its factorization.

38326181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 38326181 is about 6190.8142437001. The cubic root of 38326181 is about 337.1567421796.

The spelling of 38326181 in words is "thirty-eight million, three hundred twenty-six thousand, one hundred eighty-one".