38738771 has 2 divisors, whose sum is σ = 38738772. Its totient is φ = 38738770.

The previous prime is 38738759. The next prime is 38738779. The reversal of 38738771 is 17783783.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38738771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38738779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19369385 + 19369386.

It is an arithmetic number, because the mean of its divisors is an integer number (19369386).

Almost surely, 2^38738771 is an apocalyptic number.

38738771 is a deficient number, since it is larger than the sum of its proper divisors (1).

38738771 is an equidigital number, since it uses as much as digits as its factorization.

38738771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 44.

The square root of 38738771 is about 6224.0477986596. The cubic root of 38738771 is about 338.3622826764.

The spelling of 38738771 in words is "thirty-eight million, seven hundred thirty-eight thousand, seven hundred seventy-one".