198795776 has 20 divisors (see below), whose sum is σ = 397204302. Its totient is φ = 99397632.

The previous prime is 198795763. The next prime is 198795797. The reversal of 198795776 is 677597891.

It can be written as a sum of positive squares in only one way, i.e., 103225600 + 95570176 = 10160^2 + 9776^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193625 + ... + 194648.

Almost surely, 2^198795776 is an apocalyptic number.

198795776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198795776 is a deficient number, since it is larger than the sum of its proper divisors (198408526).

198795776 is an frugal number, since it uses more digits than its factorization.

198795776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388291 (or 388275 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 59.

The square root of 198795776 is about 14099.4955938147. The cubic root of 198795776 is about 583.6274599073.

The spelling of 198795776 in words is "one hundred ninety-eight million, seven hundred ninety-five thousand, seven hundred seventy-six".