208085237 has 8 divisors (see below), whose sum is σ = 222205440. Its totient is φ = 194428080.

The previous prime is 208085231. The next prime is 208085243. The reversal of 208085237 is 732580802.

It is a happy number.

208085237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (208085231) and next prime (208085243).

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 208085237 - 2⁴ = 208085221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208085197 and 208085206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208085231) 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, 114833 + ... + 116630.

It is an arithmetic number, because the mean of its divisors is an integer number (27775680).

Almost surely, 2^208085237 is an apocalyptic number.

It is an amenable number.

208085237 is a deficient number, since it is larger than the sum of its proper divisors (14120203).

208085237 is a wasteful number, since it uses less digits than its factorization.

208085237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231523.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 208085237 is about 14425.1598604660. The cubic root of 208085237 is about 592.5801366918.

The spelling of 208085237 in words is "two hundred eight million, eighty-five thousand, two hundred thirty-seven".