198952798 has 24 divisors (see below), whose sum is σ = 328935600. Its totient is φ = 90182400.

The previous prime is 198952771. The next prime is 198952799. The reversal of 198952798 is 897259891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198952799) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 107743 + ... + 109573.

It is an arithmetic number, because the mean of its divisors is an integer number (13705650).

Almost surely, 2^198952798 is an apocalyptic number.

198952798 is a deficient number, since it is larger than the sum of its proper divisors (129982802).

198952798 is a wasteful number, since it uses less digits than its factorization.

198952798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2293 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 58.

The square root of 198952798 is about 14105.0628499131. The cubic root of 198952798 is about 583.7810819393.

The spelling of 198952798 in words is "one hundred ninety-eight million, nine hundred fifty-two thousand, seven hundred ninety-eight".