206307086 has 8 divisors (see below), whose sum is σ = 310745424. Its totient is φ = 102725280.

The previous prime is 206307083. The next prime is 206307089. The reversal of 206307086 is 680703602.

It is an interprime number because it is at equal distance from previous prime (206307083) and next prime (206307089).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×206307086² = 85125227467622792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206307083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213530 + ... + 214493.

It is an arithmetic number, because the mean of its divisors is an integer number (38843178).

Almost surely, 2^206307086 is an apocalyptic number.

206307086 is a deficient number, since it is larger than the sum of its proper divisors (104438338).

206307086 is a wasteful number, since it uses less digits than its factorization.

206307086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428266.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 206307086 is about 14363.3939582537. The cubic root of 206307086 is about 590.8873805658.

The spelling of 206307086 in words is "two hundred six million, three hundred seven thousand, eighty-six".