206089347 has 8 divisors (see below), whose sum is σ = 276536656. Its totient is φ = 136517472.

The previous prime is 206089339. The next prime is 206089363. The reversal of 206089347 is 743980602.

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

It is not a de Polignac number, because 206089347 - 2³ = 206089339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206089327) 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 7 ways as a sum of consecutive naturals, for example, 218308 + ... + 219249.

It is an arithmetic number, because the mean of its divisors is an integer number (34567082).

Almost surely, 2^206089347 is an apocalyptic number.

206089347 is a deficient number, since it is larger than the sum of its proper divisors (70447309).

206089347 is a wasteful number, since it uses less digits than its factorization.

206089347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437717.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 206089347 is about 14355.8123072155. The cubic root of 206089347 is about 590.6794308225.

The spelling of 206089347 in words is "two hundred six million, eighty-nine thousand, three hundred forty-seven".