798417198 has 12 divisors (see below), whose sum is σ = 1729903968. Its totient is φ = 266139060.

The previous prime is 798417197. The next prime is 798417209. The reversal of 798417198 is 891714897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798417197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22178238 + ... + 22178273.

It is an arithmetic number, because the mean of its divisors is an integer number (144158664).

Almost surely, 2^798417198 is an apocalyptic number.

798417198 is an abundant number, since it is smaller than the sum of its proper divisors (931486770).

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

798417198 is a wasteful number, since it uses less digits than its factorization.

798417198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44356519 (or 44356516 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 54.

The square root of 798417198 is about 28256.2771433181. The cubic root of 798417198 is about 927.7051361736.

The spelling of 798417198 in words is "seven hundred ninety-eight million, four hundred seventeen thousand, one hundred ninety-eight".