208493243 has 8 divisors (see below), whose sum is σ = 238798560. Its totient is φ = 178318080.

The previous prime is 208493237. The next prime is 208493333. The reversal of 208493243 is 342394802.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 208493243 - 2¹⁸ = 208231099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208493203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29078 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (29849820).

Almost surely, 2^208493243 is an apocalyptic number.

208493243 is a deficient number, since it is larger than the sum of its proper divisors (30305317).

208493243 is an equidigital number, since it uses as much as digits as its factorization.

208493243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65077.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 208493243 is about 14439.2951005234. The cubic root of 208493243 is about 592.9671870574.

The spelling of 208493243 in words is "two hundred eight million, four hundred ninety-three thousand, two hundred forty-three".