684502084 has 12 divisors (see below), whose sum is σ = 1369004224. Its totient is φ = 293358024.

The previous prime is 684502043. The next prime is 684502087. The reversal of 684502084 is 480205486.

684502084 is an admirable number.

It is a hoax number, since the sum of its digits (37) 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 (684502087) 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, 12223224 + ... + 12223279.

Almost surely, 2^684502084 is an apocalyptic number.

It is an amenable number.

684502084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

684502084 is a wasteful number, since it uses less digits than its factorization.

684502084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24446514 (or 24446512 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 684502084 is about 26162.9907311836. The cubic root of 684502084 is about 881.3023433591.

The spelling of 684502084 in words is "six hundred eighty-four million, five hundred two thousand, eighty-four".