684486568 has 32 divisors (see below), whose sum is σ = 1312738560. Its totient is φ = 334445760.

The previous prime is 684486529. The next prime is 684486587. The reversal of 684486568 is 865684486.

684486568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383005 + ... + 384787.

It is an arithmetic number, because the mean of its divisors is an integer number (41023080).

Almost surely, 2^684486568 is an apocalyptic number.

It is an amenable number.

684486568 is a deficient number, since it is larger than the sum of its proper divisors (628251992).

684486568 is a wasteful number, since it uses less digits than its factorization.

684486568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2853 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 55.

The square root of 684486568 is about 26162.6942037704. The cubic root of 684486568 is about 881.2956843141.

The spelling of 684486568 in words is "six hundred eighty-four million, four hundred eighty-six thousand, five hundred sixty-eight".