384801871 has 2 divisors, whose sum is σ = 384801872. Its totient is φ = 384801870.

The previous prime is 384801869. The next prime is 384801917. The reversal of 384801871 is 178108483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384801871 - 2¹ = 384801869 is a prime.

Together with 384801869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384801821) 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, 192400935 + 192400936.

It is an arithmetic number, because the mean of its divisors is an integer number (192400936).

Almost surely, 2^384801871 is an apocalyptic number.

384801871 is a deficient number, since it is larger than the sum of its proper divisors (1).

384801871 is an equidigital number, since it uses as much as digits as its factorization.

384801871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 384801871 is about 19616.3674262081. The cubic root of 384801871 is about 727.3538215922.

The spelling of 384801871 in words is "three hundred eighty-four million, eight hundred one thousand, eight hundred seventy-one".