198565002 has 12 divisors (see below), whose sum is σ = 430224210. Its totient is φ = 66188328.

The previous prime is 198564979. The next prime is 198565007. The reversal of 198565002 is 200565891.

It is a happy number.

198565002 is a `hidden beast` number, since 1 + 98 + 565 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109432521 + 89132481 = 10461^2 + 9441^2 .

It is not an unprimeable number, because it can be changed into a prime (198565007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5515677 + ... + 5515712.

Almost surely, 2^198565002 is an apocalyptic number.

198565002 is an abundant number, since it is smaller than the sum of its proper divisors (231659208).

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

198565002 is a wasteful number, since it uses less digits than its factorization.

198565002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031397 (or 11031394 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 198565002 is about 14091.3094494444. The cubic root of 198565002 is about 583.4015359348.

The spelling of 198565002 in words is "one hundred ninety-eight million, five hundred sixty-five thousand, two".