38981171 has 2 divisors, whose sum is σ = 38981172. Its totient is φ = 38981170.

The previous prime is 38981161. The next prime is 38981183. The reversal of 38981171 is 17118983.

38981171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38981171 is a prime.

It is not a weakly prime, because it can be changed into another prime (38981101) 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, 19490585 + 19490586.

It is an arithmetic number, because the mean of its divisors is an integer number (19490586).

Almost surely, 2^38981171 is an apocalyptic number.

38981171 is a deficient number, since it is larger than the sum of its proper divisors (1).

38981171 is an equidigital number, since it uses as much as digits as its factorization.

38981171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 38.

The square root of 38981171 is about 6243.4902898939. The cubic root of 38981171 is about 339.0665601997.

The spelling of 38981171 in words is "thirty-eight million, nine hundred eighty-one thousand, one hundred seventy-one".