38912147 has 2 divisors, whose sum is σ = 38912148. Its totient is φ = 38912146.

The previous prime is 38912131. The next prime is 38912149. The reversal of 38912147 is 74121983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38912147 - 2⁴ = 38912131 is a prime.

Together with 38912149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38912149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19456073 + 19456074.

It is an arithmetic number, because the mean of its divisors is an integer number (19456074).

Almost surely, 2^38912147 is an apocalyptic number.

38912147 is a deficient number, since it is larger than the sum of its proper divisors (1).

38912147 is an equidigital number, since it uses as much as digits as its factorization.

38912147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 38912147 is about 6237.9601633867. The cubic root of 38912147 is about 338.8663134573.

The spelling of 38912147 in words is "thirty-eight million, nine hundred twelve thousand, one hundred forty-seven".