385843 has 2 divisors, whose sum is σ = 385844. Its totient is φ = 385842.

The previous prime is 385837. The next prime is 385859. The reversal of 385843 is 348583.

It is a weak prime.

It is an emirp because it is prime and its reverse (348583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385843 - 2⁵ = 385811 is a prime.

It is not a weakly prime, because it can be changed into another prime (385943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192921 + 192922.

It is an arithmetic number, because the mean of its divisors is an integer number (192922).

2³⁸⁵⁸⁴³ is an apocalyptic number.

385843 is a deficient number, since it is larger than the sum of its proper divisors (1).

385843 is an equidigital number, since it uses as much as digits as its factorization.

385843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 385843 is about 621.1626196094. The cubic root of 385843 is about 72.8009212740.

The spelling of 385843 in words is "three hundred eighty-five thousand, eight hundred forty-three".