38381071 has 2 divisors, whose sum is σ = 38381072. Its totient is φ = 38381070.

The previous prime is 38381047. The next prime is 38381081. The reversal of 38381071 is 17018383.

It is a strong prime.

It is an emirp because it is prime and its reverse (17018383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38381071 - 2⁵ = 38381039 is a prime.

It is a super-2 number, since 2×38381071² = 2946213222214082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38381011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19190535 + 19190536.

It is an arithmetic number, because the mean of its divisors is an integer number (19190536).

Almost surely, 2^38381071 is an apocalyptic number.

38381071 is a deficient number, since it is larger than the sum of its proper divisors (1).

38381071 is an equidigital number, since it uses as much as digits as its factorization.

38381071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 38381071 is about 6195.2458385443. The cubic root of 38381071 is about 337.3176218118.

The spelling of 38381071 in words is "thirty-eight million, three hundred eighty-one thousand, seventy-one".