38534399 has 2 divisors, whose sum is σ = 38534400. Its totient is φ = 38534398.

The previous prime is 38534381. The next prime is 38534411. The reversal of 38534399 is 99343583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38534399 - 2²⁰ = 37485823 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38534099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19267199 + 19267200.

It is an arithmetic number, because the mean of its divisors is an integer number (19267200).

Almost surely, 2^38534399 is an apocalyptic number.

38534399 is a deficient number, since it is larger than the sum of its proper divisors (1).

38534399 is an equidigital number, since it uses as much as digits as its factorization.

38534399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 38534399 is about 6207.6081545149. The cubic root of 38534399 is about 337.7662067980.

The spelling of 38534399 in words is "thirty-eight million, five hundred thirty-four thousand, three hundred ninety-nine".