198346680 has 192 divisors, whose sum is σ = 760780800. Its totient is φ = 43856640.

The previous prime is 198346663. The next prime is 198346693. The reversal of 198346680 is 86643891.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76851 + ... + 79389.

It is an arithmetic number, because the mean of its divisors is an integer number (3962400).

Almost surely, 2^198346680 is an apocalyptic number.

198346680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198346680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380390400).

198346680 is an abundant number, since it is smaller than the sum of its proper divisors (562434120).

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

198346680 is a wasteful number, since it uses less digits than its factorization.

198346680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 198346680 is about 14083.5606293295. The cubic root of 198346680 is about 583.1876410755.

The spelling of 198346680 in words is "one hundred ninety-eight million, three hundred forty-six thousand, six hundred eighty".