208085845 has 16 divisors (see below), whose sum is σ = 273828672. Its totient is φ = 150543360.

The previous prime is 208085833. The next prime is 208085849. The reversal of 208085845 is 548580802.

It is a happy number.

208085845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208085845 - 2¹¹ = 208083797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208085798 and 208085807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208085849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814 + ... + 20416.

It is an arithmetic number, because the mean of its divisors is an integer number (17114292).

Almost surely, 2^208085845 is an apocalyptic number.

It is an amenable number.

208085845 is a deficient number, since it is larger than the sum of its proper divisors (65742827).

208085845 is a wasteful number, since it uses less digits than its factorization.

208085845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19812.

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 208085845 is about 14425.1809347405. The cubic root of 208085845 is about 592.5807138405.

The spelling of 208085845 in words is "two hundred eight million, eighty-five thousand, eight hundred forty-five".