38659081 has 2 divisors, whose sum is σ = 38659082. Its totient is φ = 38659080.

The previous prime is 38659073. The next prime is 38659087. The reversal of 38659081 is 18095683.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20169081 + 18490000 = 4491^2 + 4300^2 .

It is an emirp because it is prime and its reverse (18095683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38659081 - 2³ = 38659073 is a prime.

It is a super-3 number, since 3×38659081³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (38659087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19329540 + 19329541.

It is an arithmetic number, because the mean of its divisors is an integer number (19329541).

Almost surely, 2^38659081 is an apocalyptic number.

It is an amenable number.

38659081 is a deficient number, since it is larger than the sum of its proper divisors (1).

38659081 is an equidigital number, since it uses as much as digits as its factorization.

38659081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 38659081 is about 6217.6427205172. The cubic root of 38659081 is about 338.1301070019.

The spelling of 38659081 in words is "thirty-eight million, six hundred fifty-nine thousand, eighty-one".