198445926 has 16 divisors (see below), whose sum is σ = 453590784. Its totient is φ = 56698824.

The previous prime is 198445889. The next prime is 198445931. The reversal of 198445926 is 629544891.

198445926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362410 + ... + 2362493.

It is an arithmetic number, because the mean of its divisors is an integer number (28349424).

Almost surely, 2^198445926 is an apocalyptic number.

198445926 is an abundant number, since it is smaller than the sum of its proper divisors (255144858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198445926 is a wasteful number, since it uses less digits than its factorization.

198445926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724915.

The product of its digits is 622080, while the sum is 48.

The square root of 198445926 is about 14087.0836584440. The cubic root of 198445926 is about 583.2848940095.

The spelling of 198445926 in words is "one hundred ninety-eight million, four hundred forty-five thousand, nine hundred twenty-six".