198486688 has 24 divisors (see below), whose sum is σ = 407762208. Its totient is φ = 94928064.

The previous prime is 198486637. The next prime is 198486689. The reversal of 198486688 is 886684891.

It is not an unprimeable number, because it can be changed into a prime (198486689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134106 + ... + 135577.

It is an arithmetic number, because the mean of its divisors is an integer number (16990092).

Almost surely, 2^198486688 is an apocalyptic number.

It is an amenable number.

198486688 is an abundant number, since it is smaller than the sum of its proper divisors (209275520).

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

198486688 is a wasteful number, since it uses less digits than its factorization.

198486688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269716 (or 269708 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 58.

The square root of 198486688 is about 14088.5303704822. The cubic root of 198486688 is about 583.3248280302.

The spelling of 198486688 in words is "one hundred ninety-eight million, four hundred eighty-six thousand, six hundred eighty-eight".