684482318 has 16 divisors (see below), whose sum is σ = 1122208080. Its totient is φ = 311198976.

The previous prime is 684482311. The next prime is 684482321. The reversal of 684482318 is 813284486.

684482318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684482311) 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, 194723 + ... + 198206.

It is an arithmetic number, because the mean of its divisors is an integer number (70138005).

Almost surely, 2^684482318 is an apocalyptic number.

684482318 is a deficient number, since it is larger than the sum of its proper divisors (437725762).

684482318 is a wasteful number, since it uses less digits than its factorization.

684482318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393011.

The product of its digits is 294912, while the sum is 44.

The square root of 684482318 is about 26162.6129811225. The cubic root of 684482318 is about 881.2938603122.

The spelling of 684482318 in words is "six hundred eighty-four million, four hundred eighty-two thousand, three hundred eighteen".