38066947 has 2 divisors, whose sum is σ = 38066948. Its totient is φ = 38066946.

The previous prime is 38066939. The next prime is 38066981. The reversal of 38066947 is 74966083.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74966083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38066947 - 2³ = 38066939 is a prime.

It is not a weakly prime, because it can be changed into another prime (38063947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19033473 + 19033474.

It is an arithmetic number, because the mean of its divisors is an integer number (19033474).

Almost surely, 2^38066947 is an apocalyptic number.

38066947 is a deficient number, since it is larger than the sum of its proper divisors (1).

38066947 is an equidigital number, since it uses as much as digits as its factorization.

38066947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 38066947 is about 6169.8417321679. The cubic root of 38066947 is about 336.3948583299.

The spelling of 38066947 in words is "thirty-eight million, sixty-six thousand, nine hundred forty-seven".