38747217 has 8 divisors (see below), whose sum is σ = 51716320. Its totient is φ = 25804800.

The previous prime is 38747197. The next prime is 38747221. The reversal of 38747217 is 71274783.

38747217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38747217 - 2⁷ = 38747089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38747237) 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 in 7 ways as a sum of consecutive naturals, for example, 2992 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (6464540).

Almost surely, 2^38747217 is an apocalyptic number.

It is an amenable number.

38747217 is a deficient number, since it is larger than the sum of its proper divisors (12969103).

38747217 is a wasteful number, since it uses less digits than its factorization.

38747217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13343.

The product of its digits is 65856, while the sum is 39.

The square root of 38747217 is about 6224.7262590414. The cubic root of 38747217 is about 338.3868713085.

The spelling of 38747217 in words is "thirty-eight million, seven hundred forty-seven thousand, two hundred seventeen".