198750880 has 24 divisors (see below), whose sum is σ = 469549332. Its totient is φ = 79500288.

The previous prime is 198750869. The next prime is 198750899. The reversal of 198750880 is 88057891.

It can be written as a sum of positive squares in 2 ways, for example, as 195888016 + 2862864 = 13996^2 + 1692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198750880.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620937 + ... + 621256.

Almost surely, 2^198750880 is an apocalyptic number.

198750880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198750880 is an abundant number, since it is smaller than the sum of its proper divisors (270798452).

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

198750880 is a wasteful number, since it uses less digits than its factorization.

198750880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242208 (or 1242200 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 198750880 is about 14097.9033902208. The cubic root of 198750880 is about 583.5835211615.

The spelling of 198750880 in words is "one hundred ninety-eight million, seven hundred fifty thousand, eight hundred eighty".