100198 has 16 divisors (see below), whose sum is σ = 182304. Its totient is φ = 40320.

The previous prime is 100193. The next prime is 100207. The reversal of 100198 is 891001.

100198 = T₈₇ + T₈₈ + ... + T₁₀₇.

100198 is a modest number, since divided by 198 gives 10 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28 + ... + 448.

It is an arithmetic number, because the mean of its divisors is an integer number (11394).

2¹⁰⁰¹⁹⁸ is an apocalyptic number.

100198 is a deficient number, since it is larger than the sum of its proper divisors (82106).

100198 is a wasteful number, since it uses less digits than its factorization.

100198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 100198 is about 316.5406766910. The cubic root of 100198 is about 46.4465026259.

Adding to 100198 its reverse (891001), we get a palindrome (991199).

The spelling of 100198 in words is "one hundred thousand, one hundred ninety-eight".