206087 has 8 divisors (see below), whose sum is σ = 240000. Its totient is φ = 173304.

The previous prime is 206083. The next prime is 206123. The reversal of 206087 is 780602.

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 206087 - 2² = 206083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206087.

It is not an unprimeable number, because it can be changed into a prime (206081) 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, 164 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (30000).

2²⁰⁶⁰⁸⁷ is an apocalyptic number.

206087 is a deficient number, since it is larger than the sum of its proper divisors (33913).

206087 is an equidigital number, since it uses as much as digits as its factorization.

206087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 206087 is about 453.9680605505. The cubic root of 206087 is about 59.0677188543.

Adding to 206087 its reverse (780602), we get a palindrome (986689).

The spelling of 206087 in words is "two hundred six thousand, eighty-seven".