198936814 has 16 divisors (see below), whose sum is σ = 300923136. Its totient is φ = 98632800.

The previous prime is 198936811. The next prime is 198936847. The reversal of 198936814 is 418639891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198936811) 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 7 ways as a sum of consecutive naturals, for example, 160204 + ... + 161440.

It is an arithmetic number, because the mean of its divisors is an integer number (18807696).

Almost surely, 2^198936814 is an apocalyptic number.

198936814 is a deficient number, since it is larger than the sum of its proper divisors (101986322).

198936814 is a wasteful number, since it uses less digits than its factorization.

198936814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its digits is 373248, while the sum is 49.

The square root of 198936814 is about 14104.4962334711. The cubic root of 198936814 is about 583.7654477339.

The spelling of 198936814 in words is "one hundred ninety-eight million, nine hundred thirty-six thousand, eight hundred fourteen".