385020004 has 12 divisors (see below), whose sum is σ = 678929328. Its totient is φ = 191040200.

The previous prime is 385020001. The next prime is 385020011. The reversal of 385020004 is 400020583.

It is not an unprimeable number, because it can be changed into a prime (385020001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366862 + ... + 367909.

It is an arithmetic number, because the mean of its divisors is an integer number (56577444).

Almost surely, 2^385020004 is an apocalyptic number.

It is an amenable number.

385020004 is a deficient number, since it is larger than the sum of its proper divisors (293909324).

385020004 is a wasteful number, since it uses less digits than its factorization.

385020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734906 (or 734904 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 385020004 is about 19621.9266128482. The cubic root of 385020004 is about 727.4912342130.

Adding to 385020004 its reverse (400020583), we get a palindrome (785040587).

The spelling of 385020004 in words is "three hundred eighty-five million, twenty thousand, four".