38790717 has 16 divisors (see below), whose sum is σ = 59220480. Its totient is φ = 22124592.

The previous prime is 38790709. The next prime is 38790733. The reversal of 38790717 is 71709783.

It is a happy number.

It is not a de Polignac number, because 38790717 - 2³ = 38790709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38790707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12438 + ... + 15240.

It is an arithmetic number, because the mean of its divisors is an integer number (3701280).

Almost surely, 2^38790717 is an apocalyptic number.

It is an amenable number.

38790717 is a deficient number, since it is larger than the sum of its proper divisors (20429763).

38790717 is a wasteful number, since it uses less digits than its factorization.

38790717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472.

The product of its (nonzero) digits is 74088, while the sum is 42.

The square root of 38790717 is about 6228.2194084666. The cubic root of 38790717 is about 338.5134552287.

The spelling of 38790717 in words is "thirty-eight million, seven hundred ninety thousand, seven hundred seventeen".