198285303 has 4 divisors (see below), whose sum is σ = 264380408. Its totient is φ = 132190200.

The previous prime is 198285299. The next prime is 198285337. The reversal of 198285303 is 303582891.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 198285303 - 2² = 198285299 is a prime.

It is a super-2 number, since 2×198285303² = 78634122771603618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198285343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33047548 + ... + 33047553.

It is an arithmetic number, because the mean of its divisors is an integer number (66095102).

Almost surely, 2^198285303 is an apocalyptic number.

198285303 is a deficient number, since it is larger than the sum of its proper divisors (66095105).

198285303 is an equidigital number, since it uses as much as digits as its factorization.

198285303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66095104.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 198285303 is about 14081.3814308114. The cubic root of 198285303 is about 583.1274804171.

The spelling of 198285303 in words is "one hundred ninety-eight million, two hundred eighty-five thousand, three hundred three".