609423198 has 16 divisors (see below), whose sum is σ = 1219088640. Its totient is φ = 203100696.

The previous prime is 609423173. The next prime is 609423209. The reversal of 609423198 is 891324906.

609423198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 51963 + ... + 62601.

It is an arithmetic number, because the mean of its divisors is an integer number (76193040).

Almost surely, 2^609423198 is an apocalyptic number.

609423198 is an abundant number, since it is smaller than the sum of its proper divisors (609665442).

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

609423198 is a wasteful number, since it uses less digits than its factorization.

609423198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 609423198 is about 24686.4982936017. The cubic root of 609423198 is about 847.8252122476.

It can be divided in two parts, 6094 and 23198, that added together give a palindrome (29292).

The spelling of 609423198 in words is "six hundred nine million, four hundred twenty-three thousand, one hundred ninety-eight".