198574080 has 144 divisors (see below), whose sum is σ = 641726064. Its totient is φ = 52428800.

The previous prime is 198574069. The next prime is 198574081. The reversal of 198574080 is 80475891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198574081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966030 + ... + 1966130.

It is an arithmetic number, because the mean of its divisors is an integer number (4456431).

Almost surely, 2^198574080 is an apocalyptic number.

198574080 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 198574080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320863032).

198574080 is an abundant number, since it is smaller than the sum of its proper divisors (443151984).

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

198574080 is an frugal number, since it uses more digits than its factorization.

198574080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 198574080 is about 14091.6315591914. The cubic root of 198574080 is about 583.4104264549.

The spelling of 198574080 in words is "one hundred ninety-eight million, five hundred seventy-four thousand, eighty".