198535338 has 24 divisors (see below), whose sum is σ = 436582848. Its totient is φ = 65190312.

The previous prime is 198535321. The next prime is 198535411. The reversal of 198535338 is 833535891.

It is a junction number, because it is equal to n+sod(n) for n = 198535293 and 198535302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81106 + ... + 83517.

It is an arithmetic number, because the mean of its divisors is an integer number (18190952).

Almost surely, 2^198535338 is an apocalyptic number.

198535338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

198535338 is an abundant number, since it is smaller than the sum of its proper divisors (238047510).

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

198535338 is a wasteful number, since it uses less digits than its factorization.

198535338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164698 (or 164695 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 198535338 is about 14090.2568464879. The cubic root of 198535338 is about 583.3724826696.

The spelling of 198535338 in words is "one hundred ninety-eight million, five hundred thirty-five thousand, three hundred thirty-eight".