385004223 has 12 divisors (see below), whose sum is σ = 561624648. Its totient is φ = 254127600.

The previous prime is 385004197. The next prime is 385004231. The reversal of 385004223 is 322400583.

It is not a de Polignac number, because 385004223 - 2²⁰ = 383955647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385004233) 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 in 11 ways as a sum of consecutive naturals, for example, 210865 + ... + 212682.

It is an arithmetic number, because the mean of its divisors is an integer number (46802054).

Almost surely, 2^385004223 is an apocalyptic number.

385004223 is a deficient number, since it is larger than the sum of its proper divisors (176620425).

385004223 is a wasteful number, since it uses less digits than its factorization.

385004223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423654 (or 423651 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 385004223 is about 19621.5244820580. The cubic root of 385004223 is about 727.4812947329.

The spelling of 385004223 in words is "three hundred eighty-five million, four thousand, two hundred twenty-three".