200489866 has 8 divisors (see below), whose sum is σ = 300808260. Its totient is φ = 100220448.

The previous prime is 200489833. The next prime is 200489909. The reversal of 200489866 is 668984002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199233225 + 1256641 = 14115^2 + 1121^2 .

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

It is an unprimeable number.

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, 750 + ... + 20038.

Almost surely, 2^200489866 is an apocalyptic number.

200489866 is a deficient number, since it is larger than the sum of its proper divisors (100318394).

200489866 is a wasteful number, since it uses less digits than its factorization.

200489866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24488.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 200489866 is about 14159.4444100042. Note that the first 4 decimals coincide. The cubic root of 200489866 is about 585.2806173117.

The spelling of 200489866 in words is "two hundred million, four hundred eighty-nine thousand, eight hundred sixty-six".