198089712 has 200 divisors, whose sum is σ = 626026896. Its totient is φ = 60466176.

The previous prime is 198089711. The next prime is 198089713. The reversal of 198089712 is 217980891.

It is an interprime number because it is at equal distance from previous prime (198089711) and next prime (198089713).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198089711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5353758 + ... + 5353794.

Almost surely, 2^198089712 is an apocalyptic number.

198089712 is a gapful number since it is divisible by the number (12) 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 198089712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313013448).

198089712 is an abundant number, since it is smaller than the sum of its proper divisors (427937184).

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

198089712 is an frugal number, since it uses more digits than its factorization.

198089712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 198089712 is about 14074.4346955748. The cubic root of 198089712 is about 582.9356826936.

The spelling of 198089712 in words is "one hundred ninety-eight million, eighty-nine thousand, seven hundred twelve".