198002 has 8 divisors (see below), whose sum is σ = 339456. Its totient is φ = 84852.

The previous prime is 197971. The next prime is 198013. The reversal of 198002 is 200891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

198002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7058 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (42432).

2¹⁹⁸⁰⁰² is an apocalyptic number.

198002 is a deficient number, since it is larger than the sum of its proper divisors (141454).

198002 is a wasteful number, since it uses less digits than its factorization.

198002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 198002 is about 444.9741565529. The cubic root of 198002 is about 58.2849630769.

Adding to 198002 its reverse (200891), we get a palindrome (398893).

The spelling of 198002 in words is "one hundred ninety-eight thousand, two".