213198 has 8 divisors (see below), whose sum is σ = 426408. Its totient is φ = 71064.

The previous prime is 213193. The next prime is 213203. The reversal of 213198 is 891312.

It is an interprime number because it is at equal distance from previous prime (213193) and next prime (213203).

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

213198 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213193) 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, 17761 + ... + 17772.

It is an arithmetic number, because the mean of its divisors is an integer number (53301).

2²¹³¹⁹⁸ is an apocalyptic number.

213198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213198 is a wasteful number, since it uses less digits than its factorization.

213198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35538.

The product of its digits is 432, while the sum is 24.

The square root of 213198 is about 461.7336894791. The cubic root of 213198 is about 59.7394255430.

The spelling of 213198 in words is "two hundred thirteen thousand, one hundred ninety-eight".