384801311 has 2 divisors, whose sum is σ = 384801312. Its totient is φ = 384801310.

The previous prime is 384801299. The next prime is 384801317. The reversal of 384801311 is 113108483.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384801311 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384801317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192400655 + 192400656.

It is an arithmetic number, because the mean of its divisors is an integer number (192400656).

Almost surely, 2^384801311 is an apocalyptic number.

384801311 is a deficient number, since it is larger than the sum of its proper divisors (1).

384801311 is an equidigital number, since it uses as much as digits as its factorization.

384801311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 384801311 is about 19616.3531524083. The cubic root of 384801311 is about 727.3534687541.

Adding to 384801311 its reverse (113108483), we get a palindrome (497909794).

The spelling of 384801311 in words is "three hundred eighty-four million, eight hundred one thousand, three hundred eleven".