198884 has 12 divisors (see below), whose sum is σ = 397824. Its totient is φ = 85224.

The previous prime is 198859. The next prime is 198899. The reversal of 198884 is 488891.

198884 is an admirable number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3524 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (33152).

2¹⁹⁸⁸⁸⁴ is an apocalyptic number.

198884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

198884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198884 is a wasteful number, since it uses less digits than its factorization.

198884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114 (or 7112 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 198884 is about 445.9641241176. The cubic root of 198884 is about 58.3713783562.

The spelling of 198884 in words is "one hundred ninety-eight thousand, eight hundred eighty-four".