208900673 has 4 divisors (see below), whose sum is σ = 211843008. Its totient is φ = 205958340.

The previous prime is 208900667. The next prime is 208900693. The reversal of 208900673 is 376009802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 208900673 - 2¹² = 208896577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208900603) 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, 1471061 + ... + 1471202.

It is an arithmetic number, because the mean of its divisors is an integer number (52960752).

Almost surely, 2^208900673 is an apocalyptic number.

It is an amenable number.

208900673 is a deficient number, since it is larger than the sum of its proper divisors (2942335).

208900673 is an equidigital number, since it uses as much as digits as its factorization.

208900673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942334.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 208900673 is about 14453.3965904212. The cubic root of 208900673 is about 593.3531874502.

The spelling of 208900673 in words is "two hundred eight million, nine hundred thousand, six hundred seventy-three".