684063016 has 64 divisors (see below), whose sum is σ = 1582358400. Its totient is φ = 269975808.

The previous prime is 684062971. The next prime is 684063031. The reversal of 684063016 is 610360486.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409030 + ... + 410698.

It is an arithmetic number, because the mean of its divisors is an integer number (24724350).

Almost surely, 2^684063016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 684063016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791179200).

684063016 is an abundant number, since it is smaller than the sum of its proper divisors (898295384).

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

684063016 is a wasteful number, since it uses less digits than its factorization.

684063016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 684063016 is about 26154.5983719881. The cubic root of 684063016 is about 881.1138684411.

The spelling of 684063016 in words is "six hundred eighty-four million, sixty-three thousand, sixteen".