38913717 has 8 divisors (see below), whose sum is σ = 51968224. Its totient is φ = 25900848.

The previous prime is 38913683. The next prime is 38913739. The reversal of 38913717 is 71731983.

It is a happy number.

38913717 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 38913717 - 2⁸ = 38913461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38913317) 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, 8158 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (6496028).

Almost surely, 2^38913717 is an apocalyptic number.

It is an amenable number.

38913717 is a deficient number, since it is larger than the sum of its proper divisors (13054507).

38913717 is a wasteful number, since it uses less digits than its factorization.

38913717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20819.

The product of its digits is 31752, while the sum is 39.

The square root of 38913717 is about 6238.0860045370. The cubic root of 38913717 is about 338.8708708427.

The spelling of 38913717 in words is "thirty-eight million, nine hundred thirteen thousand, seven hundred seventeen".