38390017 has 2 divisors, whose sum is σ = 38390018. Its totient is φ = 38390016.

The previous prime is 38389991. The next prime is 38390039. The reversal of 38390017 is 71009383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24840256 + 13549761 = 4984^2 + 3681^2 .

It is a cyclic number.

It is not a de Polignac number, because 38390017 - 2¹¹ = 38387969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38390087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19195008 + 19195009.

It is an arithmetic number, because the mean of its divisors is an integer number (19195009).

Almost surely, 2^38390017 is an apocalyptic number.

It is an amenable number.

38390017 is a deficient number, since it is larger than the sum of its proper divisors (1).

38390017 is an equidigital number, since it uses as much as digits as its factorization.

38390017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 38390017 is about 6195.9678017240. The cubic root of 38390017 is about 337.3438275163.

The spelling of 38390017 in words is "thirty-eight million, three hundred ninety thousand, seventeen".