384556172 has 48 divisors (see below), whose sum is σ = 903581952. Its totient is φ = 138300480.

The previous prime is 384556171. The next prime is 384556217. The reversal of 384556172 is 271655483.

It is not an unprimeable number, because it can be changed into a prime (384556171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44018 + ... + 52025.

It is an arithmetic number, because the mean of its divisors is an integer number (18824624).

Almost surely, 2^384556172 is an apocalyptic number.

It is an amenable number.

384556172 is an abundant number, since it is smaller than the sum of its proper divisors (519025780).

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

384556172 is a wasteful number, since it uses less digits than its factorization.

384556172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96078 (or 96076 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 384556172 is about 19610.1038243044. The cubic root of 384556172 is about 727.1989816001.

The spelling of 384556172 in words is "three hundred eighty-four million, five hundred fifty-six thousand, one hundred seventy-two".