38389147 has 2 divisors, whose sum is σ = 38389148. Its totient is φ = 38389146.

The previous prime is 38389133. The next prime is 38389187. The reversal of 38389147 is 74198383.

It is a happy number.

38389147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38389147 - 2⁷ = 38389019 is a prime.

It is not a weakly prime, because it can be changed into another prime (38389187) 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, 19194573 + 19194574.

It is an arithmetic number, because the mean of its divisors is an integer number (19194574).

Almost surely, 2^38389147 is an apocalyptic number.

38389147 is a deficient number, since it is larger than the sum of its proper divisors (1).

38389147 is an equidigital number, since it uses as much as digits as its factorization.

38389147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 38389147 is about 6195.8975943765. The cubic root of 38389147 is about 337.3412791859.

The spelling of 38389147 in words is "thirty-eight million, three hundred eighty-nine thousand, one hundred forty-seven".