385848321 has 16 divisors (see below), whose sum is σ = 538346304. Its totient is φ = 245553984.

The previous prime is 385848319. The next prime is 385848329. The reversal of 385848321 is 123848583.

It is not a de Polignac number, because 385848321 - 2¹ = 385848319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385848329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26911 + ... + 38676.

It is an arithmetic number, because the mean of its divisors is an integer number (33646644).

Almost surely, 2^385848321 is an apocalyptic number.

It is an amenable number.

385848321 is a deficient number, since it is larger than the sum of its proper divisors (152497983).

385848321 is a wasteful number, since it uses less digits than its factorization.

385848321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65680.

The product of its digits is 184320, while the sum is 42.

The square root of 385848321 is about 19643.0221961897. The cubic root of 385848321 is about 728.0125592820.

The spelling of 385848321 in words is "three hundred eighty-five million, eight hundred forty-eight thousand, three hundred twenty-one".