198995562 has 32 divisors (see below), whose sum is σ = 442935360. Its totient is φ = 66223440.

The previous prime is 198995551. The next prime is 198995567. The reversal of 198995562 is 265599891.

198995562 is a `hidden beast` number, since 1 + 9 + 89 + 9 + 556 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 198995499 and 198995508.

It is not an unprimeable number, because it can be changed into a prime (198995567) 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 15 ways as a sum of consecutive naturals, for example, 34648 + ... + 39980.

It is an arithmetic number, because the mean of its divisors is an integer number (13841730).

Almost surely, 2^198995562 is an apocalyptic number.

198995562 is an abundant number, since it is smaller than the sum of its proper divisors (243939798).

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

198995562 is a wasteful number, since it uses less digits than its factorization.

198995562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035 (or 6029 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The square root of 198995562 is about 14106.5786780495. The cubic root of 198995562 is about 583.8229059732.

The spelling of 198995562 in words is "one hundred ninety-eight million, nine hundred ninety-five thousand, five hundred sixty-two".