198106252 has 12 divisors (see below), whose sum is σ = 347654160. Its totient is φ = 98776496.

The previous prime is 198106189. The next prime is 198106261. The reversal of 198106252 is 252601891.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67543 + ... + 70414.

It is an arithmetic number, because the mean of its divisors is an integer number (28971180).

Almost surely, 2^198106252 is an apocalyptic number.

It is an amenable number.

198106252 is a deficient number, since it is larger than the sum of its proper divisors (149547908).

198106252 is a wasteful number, since it uses less digits than its factorization.

198106252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138320 (or 138318 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 198106252 is about 14075.0222735170. The cubic root of 198106252 is about 582.9519068036.

It can be divided in two parts, 19810 and 6252, that added together give a palindrome (26062).

The spelling of 198106252 in words is "one hundred ninety-eight million, one hundred six thousand, two hundred fifty-two".