384684 has 12 divisors (see below), whose sum is σ = 897624. Its totient is φ = 128224.

The previous prime is 384673. The next prime is 384691. The reversal of 384684 is 486483.

384684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

384684 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16017 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (74802).

2³⁸⁴⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

384684 is an abundant number, since it is smaller than the sum of its proper divisors (512940).

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

384684 is a wasteful number, since it uses less digits than its factorization.

384684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32064 (or 32062 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 384684 is about 620.2289899706. The cubic root of 384684 is about 72.7279547285.

The spelling of 384684 in words is "three hundred eighty-four thousand, six hundred eighty-four".