38679217 has 2 divisors, whose sum is σ = 38679218. Its totient is φ = 38679216.

The previous prime is 38679209. The next prime is 38679229. The reversal of 38679217 is 71297683.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28718881 + 9960336 = 5359^2 + 3156^2 .

It is a cyclic number.

It is not a de Polignac number, because 38679217 - 2³ = 38679209 is a prime.

It is not a weakly prime, because it can be changed into another prime (38679287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339608 + 19339609.

It is an arithmetic number, because the mean of its divisors is an integer number (19339609).

Almost surely, 2^38679217 is an apocalyptic number.

It is an amenable number.

38679217 is a deficient number, since it is larger than the sum of its proper divisors (1).

38679217 is an equidigital number, since it uses as much as digits as its factorization.

38679217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 38679217 is about 6219.2617729116. The cubic root of 38679217 is about 338.1888030520.

The spelling of 38679217 in words is "thirty-eight million, six hundred seventy-nine thousand, two hundred seventeen".