38668093 has 2 divisors, whose sum is σ = 38668094. Its totient is φ = 38668092.

The previous prime is 38668079. The next prime is 38668103. The reversal of 38668093 is 39086683.

38668093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28440889 + 10227204 = 5333^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 38668093 - 2⁵ = 38668061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38668073) 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, 19334046 + 19334047.

It is an arithmetic number, because the mean of its divisors is an integer number (19334047).

Almost surely, 2^38668093 is an apocalyptic number.

It is an amenable number.

38668093 is a deficient number, since it is larger than the sum of its proper divisors (1).

38668093 is an equidigital number, since it uses as much as digits as its factorization.

38668093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 38668093 is about 6218.3673902400. The cubic root of 38668093 is about 338.1563793265.

The spelling of 38668093 in words is "thirty-eight million, six hundred sixty-eight thousand, ninety-three".