384560644 has 48 divisors (see below), whose sum is σ = 762104448. Its totient is φ = 168461568.

The previous prime is 384560641. The next prime is 384560651. The reversal of 384560644 is 446065483.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 384560597 and 384560606.

It is not an unprimeable number, because it can be changed into a prime (384560641) 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, 162679 + ... + 165025.

It is an arithmetic number, because the mean of its divisors is an integer number (15877176).

Almost surely, 2^384560644 is an apocalyptic number.

It is an amenable number.

384560644 is a deficient number, since it is larger than the sum of its proper divisors (377543804).

384560644 is a wasteful number, since it uses less digits than its factorization.

384560644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 384560644 is about 19610.2178468267. The cubic root of 384560644 is about 727.2018004524.

The spelling of 384560644 in words is "three hundred eighty-four million, five hundred sixty thousand, six hundred forty-four".