684048 has 20 divisors (see below), whose sum is σ = 1767248. Its totient is φ = 228000.

The previous prime is 684037. The next prime is 684053. The reversal of 684048 is 840486.

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, 7078 + ... + 7173.

2⁶⁸⁴⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

684048 is an abundant number, since it is smaller than the sum of its proper divisors (1083200).

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

684048 is a wasteful number, since it uses less digits than its factorization.

684048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262 (or 14256 counting only the distinct ones).

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

The square root of 684048 is about 827.0719436663. The cubic root of 684048 is about 88.1107421227.

The spelling of 684048 in words is "six hundred eighty-four thousand, forty-eight".