208243 has 8 divisors (see below), whose sum is σ = 241920. Its totient is φ = 175560.

The previous prime is 208231. The next prime is 208253. The reversal of 208243 is 342802.

It is a happy number.

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

It is not a de Polignac number, because 208243 - 2¹⁷ = 77171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208243.

It is not an unprimeable number, because it can be changed into a prime (208213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2²⁰⁸²⁴³ is an apocalyptic number.

208243 is a deficient number, since it is larger than the sum of its proper divisors (33677).

208243 is an equidigital number, since it uses as much as digits as its factorization.

208243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 208243 is about 456.3364986498. The cubic root of 208243 is about 59.2729856754.

The spelling of 208243 in words is "two hundred eight thousand, two hundred forty-three".