385845853 has 2 divisors, whose sum is σ = 385845854. Its totient is φ = 385845852.

The previous prime is 385845839. The next prime is 385845893. The reversal of 385845853 is 358548583.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199741689 + 186104164 = 14133^2 + 13642^2 .

It is an emirp because it is prime and its reverse (358548583) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385845853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385845797 and 385845806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385845893) 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, 192922926 + 192922927.

It is an arithmetic number, because the mean of its divisors is an integer number (192922927).

Almost surely, 2^385845853 is an apocalyptic number.

It is an amenable number.

385845853 is a deficient number, since it is larger than the sum of its proper divisors (1).

385845853 is an equidigital number, since it uses as much as digits as its factorization.

385845853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304000, while the sum is 49.

The square root of 385845853 is about 19642.9593747989. The cubic root of 385845853 is about 728.0110070841.

The spelling of 385845853 in words is "three hundred eighty-five million, eight hundred forty-five thousand, eight hundred fifty-three".