198960522 has 16 divisors (see below), whose sum is σ = 398691072. Its totient is φ = 66191840.

The previous prime is 198960499. The next prime is 198960539. The reversal of 198960522 is 225069891.

It is an unprimeable number.

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, 28698 + ... + 34949.

It is an arithmetic number, because the mean of its divisors is an integer number (24918192).

Almost surely, 2^198960522 is an apocalyptic number.

198960522 is an abundant number, since it is smaller than the sum of its proper divisors (199730550).

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

198960522 is a wasteful number, since it uses less digits than its factorization.

198960522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64173.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 198960522 is about 14105.3366496514. The cubic root of 198960522 is about 583.7886366068.

The spelling of 198960522 in words is "one hundred ninety-eight million, nine hundred sixty thousand, five hundred twenty-two".