198796798 has 32 divisors (see below), whose sum is σ = 315394560. Its totient is φ = 93848160.

The previous prime is 198796789. The next prime is 198796813. The reversal of 198796798 is 897697891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639063 + ... + 639373.

It is an arithmetic number, because the mean of its divisors is an integer number (9856080).

Almost surely, 2^198796798 is an apocalyptic number.

198796798 is a deficient number, since it is larger than the sum of its proper divisors (116597762).

198796798 is a wasteful number, since it uses less digits than its factorization.

198796798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 13716864, while the sum is 64.

The square root of 198796798 is about 14099.5318361994. The cubic root of 198796798 is about 583.6284600396.

The spelling of 198796798 in words is "one hundred ninety-eight million, seven hundred ninety-six thousand, seven hundred ninety-eight".