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4198 = 22099

4198 has 4 divisors (see below), whose sum is σ = 6300. Its totient is φ = 2098.

The previous prime is 4177. The next prime is 4201. The reversal of 4198 is 8914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8914 = 24457.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4198.

It is an unprimeable number.

4198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (1575).

24198 is an apocalyptic number.

4198 is a deficient number, since it is larger than the sum of its proper divisors (2102).

4198 is a wasteful number, since it uses less digits than its factorization.

4198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its digits is 288, while the sum is 22.

The square root of 4198 is about 64.7919748117. The cubic root of 4198 is about 16.1317250558.

It can be divided in two parts, 4 and 198, that added together give a palindrome (202).

The spelling of 4198 in words is "four thousand, one hundred ninety-eight".

Divisors: 1 2 2099 4198