38335009 has 2 divisors, whose sum is σ = 38335010. Its totient is φ = 38335008.

The previous prime is 38335007. The next prime is 38335019. The reversal of 38335009 is 90053383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22771984 + 15563025 = 4772^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 38335009 - 2¹ = 38335007 is a prime.

Together with 38335007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38335007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19167504 + 19167505.

It is an arithmetic number, because the mean of its divisors is an integer number (19167505).

Almost surely, 2^38335009 is an apocalyptic number.

It is an amenable number.

38335009 is a deficient number, since it is larger than the sum of its proper divisors (1).

38335009 is an equidigital number, since it uses as much as digits as its factorization.

38335009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 38335009 is about 6191.5271944812. The cubic root of 38335009 is about 337.1826269329.

The spelling of 38335009 in words is "thirty-eight million, three hundred thirty-five thousand, nine".