38816447 has 2 divisors, whose sum is σ = 38816448. Its totient is φ = 38816446.

The previous prime is 38816419. The next prime is 38816467. The reversal of 38816447 is 74461883.

38816447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38816447 - 2¹² = 38812351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38816467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19408223 + 19408224.

It is an arithmetic number, because the mean of its divisors is an integer number (19408224).

Almost surely, 2^38816447 is an apocalyptic number.

38816447 is a deficient number, since it is larger than the sum of its proper divisors (1).

38816447 is an equidigital number, since it uses as much as digits as its factorization.

38816447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 38816447 is about 6230.2846644435. The cubic root of 38816447 is about 338.5882843529.

The spelling of 38816447 in words is "thirty-eight million, eight hundred sixteen thousand, four hundred forty-seven".