684071108 has 12 divisors (see below), whose sum is σ = 1368142272. Its totient is φ = 293173320.

The previous prime is 684071107. The next prime is 684071131. The reversal of 684071108 is 801170486.

684071108 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (684071107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12215528 + ... + 12215583.

It is an arithmetic number, because the mean of its divisors is an integer number (114011856).

Almost surely, 2^684071108 is an apocalyptic number.

It is an amenable number.

684071108 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.

684071108 is a wasteful number, since it uses less digits than its factorization.

684071108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24431122 (or 24431120 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 684071108 is about 26154.7530670813. The cubic root of 684071108 is about 881.1173427532.

The spelling of 684071108 in words is "six hundred eighty-four million, seventy-one thousand, one hundred eight".