198797606 has 24 divisors (see below), whose sum is σ = 358076736. Its totient is φ = 82449360.

The previous prime is 198797591. The next prime is 198797611. The reversal of 198797606 is 606797891.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29681 + ... + 35756.

It is an arithmetic number, because the mean of its divisors is an integer number (14919864).

Almost surely, 2^198797606 is an apocalyptic number.

198797606 is a deficient number, since it is larger than the sum of its proper divisors (159279130).

198797606 is a wasteful number, since it uses less digits than its factorization.

198797606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65484 (or 65477 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 198797606 is about 14099.5604896039. The cubic root of 198797606 is about 583.6292507484.

The spelling of 198797606 in words is "one hundred ninety-eight million, seven hundred ninety-seven thousand, six hundred six".