385193843 has 2 divisors, whose sum is σ = 385193844. Its totient is φ = 385193842.

The previous prime is 385193827. The next prime is 385193873. The reversal of 385193843 is 348391583.

It is a weak prime.

It is an emirp because it is prime and its reverse (348391583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385193843 - 2⁴ = 385193827 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 385193794 and 385193803.

It is not a weakly prime, because it can be changed into another prime (385193873) 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, 192596921 + 192596922.

It is an arithmetic number, because the mean of its divisors is an integer number (192596922).

Almost surely, 2^385193843 is an apocalyptic number.

385193843 is a deficient number, since it is larger than the sum of its proper divisors (1).

385193843 is an equidigital number, since it uses as much as digits as its factorization.

385193843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 385193843 is about 19626.3558257767. The cubic root of 385193843 is about 727.6007067241.

The spelling of 385193843 in words is "three hundred eighty-five million, one hundred ninety-three thousand, eight hundred forty-three".