385320803 has 16 divisors (see below), whose sum is σ = 446031360. Its totient is φ = 326049216.

The previous prime is 385320769. The next prime is 385320811. The reversal of 385320803 is 308023583.

It is a cyclic number.

It is not a de Polignac number, because 385320803 - 2⁶ = 385320739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385320803.

It is not an unprimeable number, because it can be changed into a prime (385320823) 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, 268175 + ... + 269607.

It is an arithmetic number, because the mean of its divisors is an integer number (27876960).

Almost surely, 2^385320803 is an apocalyptic number.

385320803 is a deficient number, since it is larger than the sum of its proper divisors (60710557).

385320803 is a wasteful number, since it uses less digits than its factorization.

385320803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 385320803 is about 19629.5899855295. The cubic root of 385320803 is about 727.6806370762.

The spelling of 385320803 in words is "three hundred eighty-five million, three hundred twenty thousand, eight hundred three".