198481456 has 10 divisors (see below), whose sum is σ = 384557852. Its totient is φ = 99240720.

The previous prime is 198481453. The next prime is 198481457. The reversal of 198481456 is 654184891.

It is not an unprimeable number, because it can be changed into a prime (198481453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202530 + ... + 6202561.

Almost surely, 2^198481456 is an apocalyptic number.

198481456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198481456 is a deficient number, since it is larger than the sum of its proper divisors (186076396).

198481456 is a wasteful number, since it uses less digits than its factorization.

198481456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405099 (or 12405093 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 198481456 is about 14088.3446863001. The cubic root of 198481456 is about 583.3197026112.

The spelling of 198481456 in words is "one hundred ninety-eight million, four hundred eighty-one thousand, four hundred fifty-six".