198373280 has 96 divisors (see below), whose sum is σ = 550198656. Its totient is φ = 66161664.

The previous prime is 198373277. The next prime is 198373283. The reversal of 198373280 is 82373891.

It is an interprime number because it is at equal distance from previous prime (198373277) and next prime (198373283).

It is not an unprimeable number, because it can be changed into a prime (198373283) 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, 39047 + ... + 43833.

It is an arithmetic number, because the mean of its divisors is an integer number (5731236).

Almost surely, 2^198373280 is an apocalyptic number.

198373280 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 198373280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275099328).

198373280 is an abundant number, since it is smaller than the sum of its proper divisors (351825376).

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

198373280 is a wasteful number, since it uses less digits than its factorization.

198373280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 198373280 is about 14084.5049611266. The cubic root of 198373280 is about 583.2137100739.

Adding to 198373280 its sum of digits (41), we get a triangular number (198373321 = T₁₉₉₁₈).

The spelling of 198373280 in words is "one hundred ninety-eight million, three hundred seventy-three thousand, two hundred eighty".