198481256 has 16 divisors (see below), whose sum is σ = 394043940. Its totient is φ = 93402880.

The previous prime is 198481229. The next prime is 198481267. The reversal of 198481256 is 652184891.

198481256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157904356 + 40576900 = 12566^2 + 6370^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729575 + ... + 729846.

Almost surely, 2^198481256 is an apocalyptic number.

It is an amenable number.

198481256 is a deficient number, since it is larger than the sum of its proper divisors (195562684).

198481256 is a wasteful number, since it uses less digits than its factorization.

198481256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459444 (or 1459440 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 198481256 is about 14088.3375882323. The cubic root of 198481256 is about 583.3195066836.

The spelling of 198481256 in words is "one hundred ninety-eight million, four hundred eighty-one thousand, two hundred fifty-six".