38683717 has 2 divisors, whose sum is σ = 38683718. Its totient is φ = 38683716.

The previous prime is 38683681. The next prime is 38683739. The reversal of 38683717 is 71738683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 15634116 = 4801^2 + 3954^2 .

It is an emirp because it is prime and its reverse (71738683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38683717 - 2¹⁵ = 38650949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38681717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19341858 + 19341859.

It is an arithmetic number, because the mean of its divisors is an integer number (19341859).

Almost surely, 2^38683717 is an apocalyptic number.

It is an amenable number.

38683717 is a deficient number, since it is larger than the sum of its proper divisors (1).

38683717 is an equidigital number, since it uses as much as digits as its factorization.

38683717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 38683717 is about 6219.6235416623. The cubic root of 38683717 is about 338.2019176798.

The spelling of 38683717 in words is "thirty-eight million, six hundred eighty-three thousand, seven hundred seventeen".