684408116 has 24 divisors (see below), whose sum is σ = 1369683840. Its totient is φ = 293131872.

The previous prime is 684408113. The next prime is 684408157. The reversal of 684408116 is 611804486.

684408116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 684408116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684408113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43070 + ... + 56778.

It is an arithmetic number, because the mean of its divisors is an integer number (57070160).

Almost surely, 2^684408116 is an apocalyptic number.

It is an amenable number.

684408116 is an abundant number, since it is smaller than the sum of its proper divisors (685275724).

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

684408116 is a wasteful number, since it uses less digits than its factorization.

684408116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15503 (or 15501 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 684408116 is about 26161.1948503886. The cubic root of 684408116 is about 881.2620133097.

The spelling of 684408116 in words is "six hundred eighty-four million, four hundred eight thousand, one hundred sixteen".