208087 has 4 divisors (see below), whose sum is σ = 227016. Its totient is φ = 189160.

The previous prime is 208073. The next prime is 208099. The reversal of 208087 is 780802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 208087 - 2¹¹ = 206039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9448 + ... + 9469.

It is an arithmetic number, because the mean of its divisors is an integer number (56754).

2²⁰⁸⁰⁸⁷ is an apocalyptic number.

208087 is a deficient number, since it is larger than the sum of its proper divisors (18929).

208087 is a wasteful number, since it uses less digits than its factorization.

208087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18928.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 208087 is about 456.1655401277. The cubic root of 208087 is about 59.2581810230.

Adding to 208087 its reverse (780802), we get a palindrome (988889).

The spelling of 208087 in words is "two hundred eight thousand, eighty-seven".