206227697 has 8 divisors (see below), whose sum is σ = 235155816. Its totient is φ = 179165952.

The previous prime is 206227687. The next prime is 206227709. The reversal of 206227697 is 796722602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93103201 + 113124496 = 9649^2 + 10636^2 .

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 206227697 - 2¹⁶ = 206162161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206227657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466358 + ... + 466799.

It is an arithmetic number, because the mean of its divisors is an integer number (29394477).

Almost surely, 2^206227697 is an apocalyptic number.

It is an amenable number.

206227697 is a deficient number, since it is larger than the sum of its proper divisors (28928119).

206227697 is a wasteful number, since it uses less digits than its factorization.

206227697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933187.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 206227697 is about 14360.6301045602. The cubic root of 206227697 is about 590.8115777459.

The spelling of 206227697 in words is "two hundred six million, two hundred twenty-seven thousand, six hundred ninety-seven".