384591144 has 32 divisors (see below), whose sum is σ = 1098832320. Its totient is φ = 109883136.

The previous prime is 384591143. The next prime is 384591149. The reversal of 384591144 is 441195483.

It is not an unprimeable number, because it can be changed into a prime (384591143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144449 + ... + 1144784.

It is an arithmetic number, because the mean of its divisors is an integer number (34338510).

Almost surely, 2^384591144 is an apocalyptic number.

It is an amenable number.

384591144 is an abundant number, since it is smaller than the sum of its proper divisors (714241176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384591144 is a wasteful number, since it uses less digits than its factorization.

384591144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289249 (or 2289245 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 384591144 is about 19610.9954872260. The cubic root of 384591144 is about 727.2210250480.

The spelling of 384591144 in words is "three hundred eighty-four million, five hundred ninety-one thousand, one hundred forty-four".