680284698 has 8 divisors (see below), whose sum is σ = 1360569408. Its totient is φ = 226761564.

The previous prime is 680284651. The next prime is 680284727. The reversal of 680284698 is 896482086.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

680284698 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 680284698.

It is an unprimeable number.

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, 56690386 + ... + 56690397.

It is an arithmetic number, because the mean of its divisors is an integer number (170071176).

Almost surely, 2^680284698 is an apocalyptic number.

680284698 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.

680284698 is a wasteful number, since it uses less digits than its factorization.

680284698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113380788.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 680284698 is about 26082.2678845226. The cubic root of 680284698 is about 879.4886397219.

The spelling of 680284698 in words is "six hundred eighty million, two hundred eighty-four thousand, six hundred ninety-eight".