198488 has 16 divisors (see below), whose sum is σ = 381480. Its totient is φ = 96768.

The previous prime is 198479. The next prime is 198491. The reversal of 198488 is 884891.

It is a super-2 number, since 2×198488² = 78794972288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

198488 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, 56 + ... + 632.

2¹⁹⁸⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

198488 is a deficient number, since it is larger than the sum of its proper divisors (182992).

198488 is a wasteful number, since it uses less digits than its factorization.

198488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 622 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 198488 is about 445.5199209912. The cubic root of 198488 is about 58.3326113289.

It can be divided in two parts, 198 and 488, that added together give a palindrome (686).

The spelling of 198488 in words is "one hundred ninety-eight thousand, four hundred eighty-eight".