38386739 has 2 divisors, whose sum is σ = 38386740. Its totient is φ = 38386738.

The previous prime is 38386709. The next prime is 38386741. The reversal of 38386739 is 93768383.

38386739 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 an emirp because it is prime and its reverse (93768383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38386739 - 2¹⁶ = 38321203 is a prime.

Together with 38386741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38386693 and 38386702.

It is not a weakly prime, because it can be changed into another prime (38386709) 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, 19193369 + 19193370.

It is an arithmetic number, because the mean of its divisors is an integer number (19193370).

Almost surely, 2^38386739 is an apocalyptic number.

38386739 is a deficient number, since it is larger than the sum of its proper divisors (1).

38386739 is an equidigital number, since it uses as much as digits as its factorization.

38386739 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 38386739 is about 6195.7032692020. The cubic root of 38386739 is about 337.3342256751.

The spelling of 38386739 in words is "thirty-eight million, three hundred eighty-six thousand, seven hundred thirty-nine".