38765217 has 8 divisors (see below), whose sum is σ = 51854400. Its totient is φ = 25759760.

The previous prime is 38765201. The next prime is 38765227. The reversal of 38765217 is 71256783.

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

It is a cyclic number.

It is not a de Polignac number, because 38765217 - 2⁴ = 38765201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38765227) 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 in 7 ways as a sum of consecutive naturals, for example, 19842 + ... + 21707.

It is an arithmetic number, because the mean of its divisors is an integer number (6481800).

Almost surely, 2^38765217 is an apocalyptic number.

It is an amenable number.

38765217 is a deficient number, since it is larger than the sum of its proper divisors (13089183).

38765217 is a wasteful number, since it uses less digits than its factorization.

38765217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41863.

The product of its digits is 70560, while the sum is 39.

The square root of 38765217 is about 6226.1719378764. The cubic root of 38765217 is about 338.4392623464.

The spelling of 38765217 in words is "thirty-eight million, seven hundred sixty-five thousand, two hundred seventeen".