38687339 has 2 divisors, whose sum is σ = 38687340. Its totient is φ = 38687338.

The previous prime is 38687329. The next prime is 38687347. The reversal of 38687339 is 93378683.

38687339 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 is a cyclic number.

It is not a de Polignac number, because 38687339 - 2⁴ = 38687323 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 38687293 and 38687302.

It is not a weakly prime, because it can be changed into another prime (38687329) 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, 19343669 + 19343670.

It is an arithmetic number, because the mean of its divisors is an integer number (19343670).

Almost surely, 2^38687339 is an apocalyptic number.

38687339 is a deficient number, since it is larger than the sum of its proper divisors (1).

38687339 is an equidigital number, since it uses as much as digits as its factorization.

38687339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 38687339 is about 6219.9147100262. The cubic root of 38687339 is about 338.2124727592.

The spelling of 38687339 in words is "thirty-eight million, six hundred eighty-seven thousand, three hundred thirty-nine".