43198 has 4 divisors (see below), whose sum is σ = 64800. Its totient is φ = 21598.

The previous prime is 43189. The next prime is 43201. The reversal of 43198 is 89134.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10798 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (16200).

2⁴³¹⁹⁸ is an apocalyptic number.

43198 is a deficient number, since it is larger than the sum of its proper divisors (21602).

43198 is a wasteful number, since it uses less digits than its factorization.

43198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21601.

The product of its digits is 864, while the sum is 25.

The square root of 43198 is about 207.8412856003. The cubic root of 43198 is about 35.0876713654.

It can be divided in two parts, 431 and 98, that added together give a square (529 = 23²).

The spelling of 43198 in words is "forty-three thousand, one hundred ninety-eight".