198872796 has 24 divisors (see below), whose sum is σ = 475355664. Its totient is φ = 64673920.

The previous prime is 198872777. The next prime is 198872809. The reversal of 198872796 is 697278891.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 201615 + ... + 202598.

It is an arithmetic number, because the mean of its divisors is an integer number (19806486).

Almost surely, 2^198872796 is an apocalyptic number.

It is an amenable number.

198872796 is an abundant number, since it is smaller than the sum of its proper divisors (276482868).

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

198872796 is a wasteful number, since it uses less digits than its factorization.

198872796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404261 (or 404259 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 57.

The square root of 198872796 is about 14102.2266326988. The cubic root of 198872796 is about 583.7028223118.

The spelling of 198872796 in words is "one hundred ninety-eight million, eight hundred seventy-two thousand, seven hundred ninety-six".