38066939 has 2 divisors, whose sum is σ = 38066940. Its totient is φ = 38066938.

The previous prime is 38066933. The next prime is 38066947. The reversal of 38066939 is 93966083.

It is a weak prime.

It is an emirp because it is prime and its reverse (93966083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38066939 - 2⁴ = 38066923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38066939.

It is not a weakly prime, because it can be changed into another prime (38066933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19033469 + 19033470.

It is an arithmetic number, because the mean of its divisors is an integer number (19033470).

Almost surely, 2^38066939 is an apocalyptic number.

38066939 is a deficient number, since it is larger than the sum of its proper divisors (1).

38066939 is an equidigital number, since it uses as much as digits as its factorization.

38066939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 38066939 is about 6169.8410838530. The cubic root of 38066939 is about 336.3948347647.

The spelling of 38066939 in words is "thirty-eight million, sixty-six thousand, nine hundred thirty-nine".