38334809 has 2 divisors, whose sum is σ = 38334810. Its totient is φ = 38334808.

The previous prime is 38334773. The next prime is 38334811. The reversal of 38334809 is 90843383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 635209 = 6140^2 + 797^2 .

It is an emirp because it is prime and its reverse (90843383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38334809 - 2²⁴ = 21557593 is a prime.

Together with 38334811, 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 (38334889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19167404 + 19167405.

It is an arithmetic number, because the mean of its divisors is an integer number (19167405).

Almost surely, 2^38334809 is an apocalyptic number.

It is an amenable number.

38334809 is a deficient number, since it is larger than the sum of its proper divisors (1).

38334809 is an equidigital number, since it uses as much as digits as its factorization.

38334809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 38334809 is about 6191.5110433561. The cubic root of 38334809 is about 337.1820405530.

The spelling of 38334809 in words is "thirty-eight million, three hundred thirty-four thousand, eight hundred nine".