38434091 has 2 divisors, whose sum is σ = 38434092. Its totient is φ = 38434090.

The previous prime is 38434073. The next prime is 38434133. The reversal of 38434091 is 19043483.

38434091 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 38434091 - 2²² = 34239787 is a prime.

It is not a weakly prime, because it can be changed into another prime (38434021) 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, 19217045 + 19217046.

It is an arithmetic number, because the mean of its divisors is an integer number (19217046).

Almost surely, 2^38434091 is an apocalyptic number.

38434091 is a deficient number, since it is larger than the sum of its proper divisors (1).

38434091 is an equidigital number, since it uses as much as digits as its factorization.

38434091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 38434091 is about 6199.5234494274. The cubic root of 38434091 is about 337.4728750034.

The spelling of 38434091 in words is "thirty-eight million, four hundred thirty-four thousand, ninety-one".