38047147 has 2 divisors, whose sum is σ = 38047148. Its totient is φ = 38047146.

The previous prime is 38047133. The next prime is 38047157. The reversal of 38047147 is 74174083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38047147 - 2⁷ = 38047019 is a prime.

It is not a weakly prime, because it can be changed into another prime (38047157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19023573 + 19023574.

It is an arithmetic number, because the mean of its divisors is an integer number (19023574).

Almost surely, 2^38047147 is an apocalyptic number.

38047147 is a deficient number, since it is larger than the sum of its proper divisors (1).

38047147 is an equidigital number, since it uses as much as digits as its factorization.

38047147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 38047147 is about 6168.2369442167. The cubic root of 38047147 is about 336.3365244921.

The spelling of 38047147 in words is "thirty-eight million, forty-seven thousand, one hundred forty-seven".