38668087 has 4 divisors (see below), whose sum is σ = 38763040. Its totient is φ = 38573136.

The previous prime is 38668079. The next prime is 38668093. The reversal of 38668087 is 78086683.

38668087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38668087 - 2³ = 38668079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38662087) 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 in 3 ways as a sum of consecutive naturals, for example, 46863 + ... + 47680.

It is an arithmetic number, because the mean of its divisors is an integer number (9690760).

Almost surely, 2^38668087 is an apocalyptic number.

38668087 is a deficient number, since it is larger than the sum of its proper divisors (94953).

38668087 is an equidigital number, since it uses as much as digits as its factorization.

38668087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94952.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 38668087 is about 6218.3669077982. The cubic root of 38668087 is about 338.1563618363.

The spelling of 38668087 in words is "thirty-eight million, six hundred sixty-eight thousand, eighty-seven".