38766281 has 2 divisors, whose sum is σ = 38766282. Its totient is φ = 38766280.

The previous prime is 38766271. The next prime is 38766311. The reversal of 38766281 is 18266783.

It is a happy number.

38766281 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 can be written as a sum of positive squares in only one way, i.e., 28526281 + 10240000 = 5341^2 + 3200^2 .

It is a cyclic number.

It is not a de Polignac number, because 38766281 - 2¹⁴ = 38749897 is a prime.

It is a super-2 number, since 2×38766281² = 3005649085141922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38766271) 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, 19383140 + 19383141.

It is an arithmetic number, because the mean of its divisors is an integer number (19383141).

Almost surely, 2^38766281 is an apocalyptic number.

It is an amenable number.

38766281 is a deficient number, since it is larger than the sum of its proper divisors (1).

38766281 is an equidigital number, since it uses as much as digits as its factorization.

38766281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 38766281 is about 6226.2573830512. The cubic root of 38766281 is about 338.4423587312.

The spelling of 38766281 in words is "thirty-eight million, seven hundred sixty-six thousand, two hundred eighty-one".