38386417 has 2 divisors, whose sum is σ = 38386418. Its totient is φ = 38386416.

The previous prime is 38386331. The next prime is 38386429. The reversal of 38386417 is 71468383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25310961 + 13075456 = 5031^2 + 3616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38386417 is a prime.

It is a super-3 number, since 3×38386417³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38386417.

It is not a weakly prime, because it can be changed into another prime (38381417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193208 + 19193209.

It is an arithmetic number, because the mean of its divisors is an integer number (19193209).

Almost surely, 2^38386417 is an apocalyptic number.

It is an amenable number.

38386417 is a deficient number, since it is larger than the sum of its proper divisors (1).

38386417 is an equidigital number, since it uses as much as digits as its factorization.

38386417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 38386417 is about 6195.6772833969. The cubic root of 38386417 is about 337.3332824507. Note that the first 3 decimals are identical.

The spelling of 38386417 in words is "thirty-eight million, three hundred eighty-six thousand, four hundred seventeen".