38229871 has 2 divisors, whose sum is σ = 38229872. Its totient is φ = 38229870.

The previous prime is 38229869. The next prime is 38229899. The reversal of 38229871 is 17892283.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38229871 - 2¹ = 38229869 is a prime.

Together with 38229869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38229071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114935 + 19114936.

It is an arithmetic number, because the mean of its divisors is an integer number (19114936).

Almost surely, 2^38229871 is an apocalyptic number.

38229871 is a deficient number, since it is larger than the sum of its proper divisors (1).

38229871 is an equidigital number, since it uses as much as digits as its factorization.

38229871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 38229871 is about 6183.0308910760. The cubic root of 38229871 is about 336.8740911533.

The spelling of 38229871 in words is "thirty-eight million, two hundred twenty-nine thousand, eight hundred seventy-one".