684002316 has 12 divisors (see below), whose sum is σ = 1596005432. Its totient is φ = 228000768.

The previous prime is 684002311. The next prime is 684002329. The reversal of 684002316 is 613200486.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (684002311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28500085 + ... + 28500108.

Almost surely, 2^684002316 is an apocalyptic number.

It is an amenable number.

684002316 is an abundant number, since it is smaller than the sum of its proper divisors (912003116).

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

684002316 is a wasteful number, since it uses less digits than its factorization.

684002316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57000200 (or 57000198 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 684002316 is about 26153.4379384432. The cubic root of 684002316 is about 881.0878059329.

The spelling of 684002316 in words is "six hundred eighty-four million, two thousand, three hundred sixteen".