38968399 has 2 divisors, whose sum is σ = 38968400. Its totient is φ = 38968398.

The previous prime is 38968387. The next prime is 38968441. The reversal of 38968399 is 99386983.

38968399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38968399 is a prime.

It is a super-3 number, since 3×38968399³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38968309) 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, 19484199 + 19484200.

It is an arithmetic number, because the mean of its divisors is an integer number (19484200).

Almost surely, 2^38968399 is an apocalyptic number.

38968399 is a deficient number, since it is larger than the sum of its proper divisors (1).

38968399 is an equidigital number, since it uses as much as digits as its factorization.

38968399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 55.

The square root of 38968399 is about 6242.4673807718. The cubic root of 38968399 is about 339.0295249590.

The spelling of 38968399 in words is "thirty-eight million, nine hundred sixty-eight thousand, three hundred ninety-nine".