38668585 has 4 divisors (see below), whose sum is σ = 46402308. Its totient is φ = 30934864.

The previous prime is 38668577. The next prime is 38668603. The reversal of 38668585 is 58586683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14961424 + 23707161 = 3868^2 + 4869^2 .

It is a cyclic number.

It is not a de Polignac number, because 38668585 - 2³ = 38668577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3866854 + ... + 3866863.

It is an arithmetic number, because the mean of its divisors is an integer number (11600577).

Almost surely, 2^38668585 is an apocalyptic number.

It is an amenable number.

38668585 is a deficient number, since it is larger than the sum of its proper divisors (7733723).

38668585 is an equidigital number, since it uses as much as digits as its factorization.

38668585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7733722.

The product of its digits is 1382400, while the sum is 49.

The square root of 38668585 is about 6218.4069503370. The cubic root of 38668585 is about 338.1578135170.

The spelling of 38668585 in words is "thirty-eight million, six hundred sixty-eight thousand, five hundred eighty-five".