386048009 has 2 divisors, whose sum is σ = 386048010. Its totient is φ = 386048008.

The previous prime is 386047999. The next prime is 386048021. The reversal of 386048009 is 900840683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261792400 + 124255609 = 16180^2 + 11147^2 .

It is a cyclic number.

It is not a de Polignac number, because 386048009 - 2¹² = 386043913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (386048909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193024004 + 193024005.

It is an arithmetic number, because the mean of its divisors is an integer number (193024005).

Almost surely, 2^386048009 is an apocalyptic number.

It is an amenable number.

386048009 is a deficient number, since it is larger than the sum of its proper divisors (1).

386048009 is an equidigital number, since it uses as much as digits as its factorization.

386048009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 386048009 is about 19648.1044632809. The cubic root of 386048009 is about 728.1381270181.

The spelling of 386048009 in words is "three hundred eighty-six million, forty-eight thousand, nine".