680442198 has 32 divisors (see below), whose sum is σ = 1383504000. Its totient is φ = 223062336.

The previous prime is 680442197. The next prime is 680442199. The reversal of 680442198 is 891244086.

680442198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680442197) and next prime (680442199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680442197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163953 + ... + 168051.

It is an arithmetic number, because the mean of its divisors is an integer number (43234500).

Almost surely, 2^680442198 is an apocalyptic number.

680442198 is an abundant number, since it is smaller than the sum of its proper divisors (703061802).

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

680442198 is a wasteful number, since it uses less digits than its factorization.

680442198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 680442198 is about 26085.2870024464. The cubic root of 680442198 is about 879.5565077642.

The spelling of 680442198 in words is "six hundred eighty million, four hundred forty-two thousand, one hundred ninety-eight".