198108806 has 16 divisors (see below), whose sum is σ = 346024224. Its totient is φ = 83301504.

The previous prime is 198108751. The next prime is 198108809. The reversal of 198108806 is 608801891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198108809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132755 + ... + 134238.

It is an arithmetic number, because the mean of its divisors is an integer number (21626514).

Almost surely, 2^198108806 is an apocalyptic number.

198108806 is a deficient number, since it is larger than the sum of its proper divisors (147915418).

198108806 is a wasteful number, since it uses less digits than its factorization.

198108806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267055.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 198108806 is about 14075.1130013226. The cubic root of 198108806 is about 582.9544119455.

The spelling of 198108806 in words is "one hundred ninety-eight million, one hundred eight thousand, eight hundred six".