84684 has 12 divisors (see below), whose sum is σ = 197624. Its totient is φ = 28224.

The previous prime is 84673. The next prime is 84691. The reversal of 84684 is 48648.

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

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517 + ... + 3540.

2⁸⁴⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

84684 is an abundant number, since it is smaller than the sum of its proper divisors (112940).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98812).

84684 is a wasteful number, since it uses less digits than its factorization.

84684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064 (or 7062 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 84684 is about 291.0051545935. The cubic root of 84684 is about 43.9137428586.

The spelling of 84684 in words is "eighty-four thousand, six hundred eighty-four".