211198 has 8 divisors (see below), whose sum is σ = 341208. Its totient is φ = 97464.

The previous prime is 211193. The next prime is 211199. The reversal of 211198 is 891112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036 + ... + 4087.

It is an arithmetic number, because the mean of its divisors is an integer number (42651).

2²¹¹¹⁹⁸ is an apocalyptic number.

211198 is a deficient number, since it is larger than the sum of its proper divisors (130010).

211198 is a wasteful number, since it uses less digits than its factorization.

211198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138.

The product of its digits is 144, while the sum is 22.

The square root of 211198 is about 459.5628357472. The cubic root of 211198 is about 59.5520341371.

It can be divided in two parts, 2111 and 98, that added together give a square (2209 = 47²).

The spelling of 211198 in words is "two hundred eleven thousand, one hundred ninety-eight".