198454268 has 24 divisors (see below), whose sum is σ = 361095504. Its totient is φ = 95356800.

The previous prime is 198454253. The next prime is 198454271. The reversal of 198454268 is 862454891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958 + ... + 20018.

It is an arithmetic number, because the mean of its divisors is an integer number (15045646).

Almost surely, 2^198454268 is an apocalyptic number.

It is an amenable number.

198454268 is a deficient number, since it is larger than the sum of its proper divisors (162641236).

198454268 is a wasteful number, since it uses less digits than its factorization.

198454268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18173 (or 18171 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 198454268 is about 14087.3797421664. The cubic root of 198454268 is about 583.2930670074.

The spelling of 198454268 in words is "one hundred ninety-eight million, four hundred fifty-four thousand, two hundred sixty-eight".