198287852 has 12 divisors (see below), whose sum is σ = 396575760. Its totient is φ = 84980496.

The previous prime is 198287839. The next prime is 198287879. The reversal of 198287852 is 258782891.

It is a happy number.

198287852 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 198287852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3540827 + ... + 3540882.

It is an arithmetic number, because the mean of its divisors is an integer number (33047980).

Almost surely, 2^198287852 is an apocalyptic number.

It is an amenable number.

198287852 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.

198287852 is a wasteful number, since it uses less digits than its factorization.

198287852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7081720 (or 7081718 counting only the distinct ones).

The product of its digits is 645120, while the sum is 50.

The square root of 198287852 is about 14081.4719401063. The cubic root of 198287852 is about 583.1299791493.

The spelling of 198287852 in words is "one hundred ninety-eight million, two hundred eighty-seven thousand, eight hundred fifty-two".