384852845 has 32 divisors (see below), whose sum is σ = 508032000. Its totient is φ = 278164224.

The previous prime is 384852841. The next prime is 384852869. The reversal of 384852845 is 548258483.

It is not a de Polignac number, because 384852845 - 2² = 384852841 is a prime.

It is a super-2 number, since 2×384852845² = 296223424609188050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 384852845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384852841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 764864 + ... + 765366.

It is an arithmetic number, because the mean of its divisors is an integer number (15876000).

Almost surely, 2^384852845 is an apocalyptic number.

It is an amenable number.

384852845 is a deficient number, since it is larger than the sum of its proper divisors (123179155).

384852845 is a wasteful number, since it uses less digits than its factorization.

384852845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its digits is 1228800, while the sum is 47.

The square root of 384852845 is about 19617.6666553390. Note that the first 4 decimals coincide. The cubic root of 384852845 is about 727.3859372509.

The spelling of 384852845 in words is "three hundred eighty-four million, eight hundred fifty-two thousand, eight hundred forty-five".