205535198 has 24 divisors (see below), whose sum is σ = 356721960. Its totient is φ = 88506000.

The previous prime is 205535191. The next prime is 205535203. The reversal of 205535198 is 891535502.

205535198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205535191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17753 + ... + 26948.

It is an arithmetic number, because the mean of its divisors is an integer number (14863415).

Almost surely, 2^205535198 is an apocalyptic number.

205535198 is a deficient number, since it is larger than the sum of its proper divisors (151186762).

205535198 is a wasteful number, since it uses less digits than its factorization.

205535198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44744 (or 44733 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 205535198 is about 14336.4988054964. The cubic root of 205535198 is about 590.1495340598.

The spelling of 205535198 in words is "two hundred five million, five hundred thirty-five thousand, one hundred ninety-eight".