384863243 has 2 divisors, whose sum is σ = 384863244. Its totient is φ = 384863242.

The previous prime is 384863207. The next prime is 384863251. The reversal of 384863243 is 342368483.

It is a strong prime.

It is an emirp because it is prime and its reverse (342368483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384863243 - 2⁶ = 384863179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384863243.

It is not a weakly prime, because it can be changed into another prime (384863203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192431621 + 192431622.

It is an arithmetic number, because the mean of its divisors is an integer number (192431622).

Almost surely, 2^384863243 is an apocalyptic number.

384863243 is a deficient number, since it is larger than the sum of its proper divisors (1).

384863243 is an equidigital number, since it uses as much as digits as its factorization.

384863243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 41.

The square root of 384863243 is about 19617.9316697760. The cubic root of 384863243 is about 727.3924880586.

The spelling of 384863243 in words is "three hundred eighty-four million, eight hundred sixty-three thousand, two hundred forty-three".