38760809 has 2 divisors, whose sum is σ = 38760810. Its totient is φ = 38760808.

The previous prime is 38760767. The next prime is 38760811. The reversal of 38760809 is 90806783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21827584 + 16933225 = 4672^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 38760809 - 2¹⁶ = 38695273 is a prime.

Together with 38760811, 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 (38760829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19380404 + 19380405.

It is an arithmetic number, because the mean of its divisors is an integer number (19380405).

Almost surely, 2^38760809 is an apocalyptic number.

It is an amenable number.

38760809 is a deficient number, since it is larger than the sum of its proper divisors (1).

38760809 is an equidigital number, since it uses as much as digits as its factorization.

38760809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 38760809 is about 6225.8179382311. The cubic root of 38760809 is about 338.4264338631.

The spelling of 38760809 in words is "thirty-eight million, seven hundred sixty thousand, eight hundred nine".