198284849 has 4 divisors (see below), whose sum is σ = 226611264. Its totient is φ = 169958436.

The previous prime is 198284839. The next prime is 198284851. The reversal of 198284849 is 948482891.

It is a happy number.

198284849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198284849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 198284849.

It is not an unprimeable number, because it can be changed into a prime (198284839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14163197 + ... + 14163210.

It is an arithmetic number, because the mean of its divisors is an integer number (56652816).

Almost surely, 2^198284849 is an apocalyptic number.

It is an amenable number.

198284849 is a deficient number, since it is larger than the sum of its proper divisors (28326415).

198284849 is an equidigital number, since it uses as much as digits as its factorization.

198284849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28326414.

The product of its digits is 1327104, while the sum is 53.

The square root of 198284849 is about 14081.3653102247. The cubic root of 198284849 is about 583.1270353680.

The spelling of 198284849 in words is "one hundred ninety-eight million, two hundred eighty-four thousand, eight hundred forty-nine".