38873771 has 2 divisors, whose sum is σ = 38873772. Its totient is φ = 38873770.

The previous prime is 38873711. The next prime is 38873773. The reversal of 38873771 is 17737883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38873771 - 2¹⁰ = 38872747 is a prime.

It is a super-2 number, since 2×38873771² = 3022340143520882, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 38873773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38873773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19436885 + 19436886.

It is an arithmetic number, because the mean of its divisors is an integer number (19436886).

Almost surely, 2^38873771 is an apocalyptic number.

38873771 is a deficient number, since it is larger than the sum of its proper divisors (1).

38873771 is an equidigital number, since it uses as much as digits as its factorization.

38873771 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 38873771 is about 6234.8833990701. The cubic root of 38873771 is about 338.7548777228.

The spelling of 38873771 in words is "thirty-eight million, eight hundred seventy-three thousand, seven hundred seventy-one".