198843255 has 48 divisors (see below), whose sum is σ = 384951840. Its totient is φ = 97884288.

The previous prime is 198843241. The next prime is 198843263. The reversal of 198843255 is 552348891.

It is not a de Polignac number, because 198843255 - 2⁶ = 198843191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 198843255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9501 + ... + 22089.

It is an arithmetic number, because the mean of its divisors is an integer number (8019830).

Almost surely, 2^198843255 is an apocalyptic number.

198843255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198843255 is a deficient number, since it is larger than the sum of its proper divisors (186108585).

198843255 is a wasteful number, since it uses less digits than its factorization.

198843255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622 (or 12610 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 198843255 is about 14101.1792060097. The cubic root of 198843255 is about 583.6739193828.

The spelling of 198843255 in words is "one hundred ninety-eight million, eight hundred forty-three thousand, two hundred fifty-five".