198557352 has 64 divisors (see below), whose sum is σ = 630345600. Its totient is φ = 56730240.

The previous prime is 198557347. The next prime is 198557357. The reversal of 198557352 is 253755891.

198557352 is a `hidden beast` number, since 1 + 98 + 557 + 3 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (198557347) and next prime (198557357).

It is a junction number, because it is equal to n+sod(n) for n = 198557298 and 198557307.

It is not an unprimeable number, because it can be changed into a prime (198557357) 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 15 ways as a sum of consecutive naturals, for example, 64149 + ... + 67172.

It is an arithmetic number, because the mean of its divisors is an integer number (9849150).

Almost surely, 2^198557352 is an apocalyptic number.

198557352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198557352 is an abundant number, since it is smaller than the sum of its proper divisors (431788248).

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

198557352 is a wasteful number, since it uses less digits than its factorization.

198557352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131343 (or 131333 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 198557352 is about 14091.0380029294. The cubic root of 198557352 is about 583.3940437131.

The spelling of 198557352 in words is "one hundred ninety-eight million, five hundred fifty-seven thousand, three hundred fifty-two".