384277009 has 2 divisors, whose sum is σ = 384277010. Its totient is φ = 384277008.

The previous prime is 384276983. The next prime is 384277013. The reversal of 384277009 is 900772483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310746384 + 73530625 = 17628^2 + 8575^2 .

It is a cyclic number.

It is not a de Polignac number, because 384277009 - 2¹⁵ = 384244241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (384277039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192138504 + 192138505.

It is an arithmetic number, because the mean of its divisors is an integer number (192138505).

Almost surely, 2^384277009 is an apocalyptic number.

It is an amenable number.

384277009 is a deficient number, since it is larger than the sum of its proper divisors (1).

384277009 is an equidigital number, since it uses as much as digits as its factorization.

384277009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 384277009 is about 19602.9846962140. The cubic root of 384277009 is about 727.0229724695.

The spelling of 384277009 in words is "three hundred eighty-four million, two hundred seventy-seven thousand, nine".