38076809 has 2 divisors, whose sum is σ = 38076810. Its totient is φ = 38076808.

The previous prime is 38076793. The next prime is 38076827. The reversal of 38076809 is 90867083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28590409 + 9486400 = 5347^2 + 3080^2 .

It is a cyclic number.

It is not a de Polignac number, because 38076809 - 2⁴ = 38076793 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38076839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19038404 + 19038405.

It is an arithmetic number, because the mean of its divisors is an integer number (19038405).

Almost surely, 2^38076809 is an apocalyptic number.

It is an amenable number.

38076809 is a deficient number, since it is larger than the sum of its proper divisors (1).

38076809 is an equidigital number, since it uses as much as digits as its factorization.

38076809 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 38076809 is about 6170.6408905397. The cubic root of 38076809 is about 336.4239057486.

The spelling of 38076809 in words is "thirty-eight million, seventy-six thousand, eight hundred nine".