200006247 has 16 divisors (see below), whose sum is σ = 306145280. Its totient is φ = 113774112.

The previous prime is 200006239. The next prime is 200006249. The reversal of 200006247 is 742600002.

It is a happy number.

It is not a de Polignac number, because 200006247 - 2³ = 200006239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200006249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16672 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (19134080).

Almost surely, 2^200006247 is an apocalyptic number.

200006247 is a deficient number, since it is larger than the sum of its proper divisors (106139033).

200006247 is a wasteful number, since it uses less digits than its factorization.

200006247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42942.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 200006247 is about 14142.3564868094. The cubic root of 200006247 is about 584.8096363588.

Adding to 200006247 its reverse (742600002), we get a palindrome (942606249).

The spelling of 200006247 in words is "two hundred million, six thousand, two hundred forty-seven".