38995871 has 2 divisors, whose sum is σ = 38995872. Its totient is φ = 38995870.

The previous prime is 38995867. The next prime is 38995889. The reversal of 38995871 is 17859983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38995871 - 2² = 38995867 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38995811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19497935 + 19497936.

It is an arithmetic number, because the mean of its divisors is an integer number (19497936).

Almost surely, 2^38995871 is an apocalyptic number.

38995871 is a deficient number, since it is larger than the sum of its proper divisors (1).

38995871 is an equidigital number, since it uses as much as digits as its factorization.

38995871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 50.

The square root of 38995871 is about 6244.6674050745. The cubic root of 38995871 is about 339.1091760910.

The spelling of 38995871 in words is "thirty-eight million, nine hundred ninety-five thousand, eight hundred seventy-one".