206006344 has 8 divisors (see below), whose sum is σ = 386261910. Its totient is φ = 103003168.

The previous prime is 206006291. The next prime is 206006407. The reversal of 206006344 is 443600602.

It can be written as a sum of positive squares in only one way, i.e., 191490244 + 14516100 = 13838^2 + 3810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×206006344² = 84877227536492672, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12875389 + ... + 12875404.

Almost surely, 2^206006344 is an apocalyptic number.

It is an amenable number.

206006344 is a deficient number, since it is larger than the sum of its proper divisors (180255566).

206006344 is a wasteful number, since it uses less digits than its factorization.

206006344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25750799 (or 25750795 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 206006344 is about 14352.9210964180. The cubic root of 206006344 is about 590.6001209680.

Adding to 206006344 its reverse (443600602), we get a palindrome (649606946).

The spelling of 206006344 in words is "two hundred six million, six thousand, three hundred forty-four".