38675639 has 2 divisors, whose sum is σ = 38675640. Its totient is φ = 38675638.

The previous prime is 38675603. The next prime is 38675671. The reversal of 38675639 is 93657683.

38675639 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 38675639 - 2¹² = 38671543 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38675593 and 38675602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38675339) 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, 19337819 + 19337820.

It is an arithmetic number, because the mean of its divisors is an integer number (19337820).

Almost surely, 2^38675639 is an apocalyptic number.

38675639 is a deficient number, since it is larger than the sum of its proper divisors (1).

38675639 is an equidigital number, since it uses as much as digits as its factorization.

38675639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 38675639 is about 6218.9741115396. The cubic root of 38675639 is about 338.1783747398.

The spelling of 38675639 in words is "thirty-eight million, six hundred seventy-five thousand, six hundred thirty-nine".