38801947 has 2 divisors, whose sum is σ = 38801948. Its totient is φ = 38801946.

The previous prime is 38801941. The next prime is 38801977. The reversal of 38801947 is 74910883.

It is a weak prime.

It is an emirp because it is prime and its reverse (74910883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38801947 - 2¹⁵ = 38769179 is a prime.

It is not a weakly prime, because it can be changed into another prime (38801941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19400973 + 19400974.

It is an arithmetic number, because the mean of its divisors is an integer number (19400974).

Almost surely, 2^38801947 is an apocalyptic number.

38801947 is a deficient number, since it is larger than the sum of its proper divisors (1).

38801947 is an equidigital number, since it uses as much as digits as its factorization.

38801947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 38801947 is about 6229.1208850046. The cubic root of 38801947 is about 338.5461188796.

The spelling of 38801947 in words is "thirty-eight million, eight hundred one thousand, nine hundred forty-seven".