208673243 has 8 divisors (see below), whose sum is σ = 212839056. Its totient is φ = 204516000.

The previous prime is 208673233. The next prime is 208673263. The reversal of 208673243 is 342376802.

208673243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 208673243 - 2²⁰ = 207624667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208673233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71768 + ... + 74618.

It is an arithmetic number, because the mean of its divisors is an integer number (26604882).

Almost surely, 2^208673243 is an apocalyptic number.

208673243 is a deficient number, since it is larger than the sum of its proper divisors (4165813).

208673243 is a wasteful number, since it uses less digits than its factorization.

208673243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 208673243 is about 14445.5267470591. The cubic root of 208673243 is about 593.1377815429.

The spelling of 208673243 in words is "two hundred eight million, six hundred seventy-three thousand, two hundred forty-three".