200243982 has 8 divisors (see below), whose sum is σ = 400487976. Its totient is φ = 66747992.

The previous prime is 200243977. The next prime is 200243993. The reversal of 200243982 is 289342002.

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

200243982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16686993 + ... + 16687004.

It is an arithmetic number, because the mean of its divisors is an integer number (50060997).

Almost surely, 2^200243982 is an apocalyptic number.

200243982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200243982 is a wasteful number, since it uses less digits than its factorization.

200243982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33374002.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 200243982 is about 14150.7590609126. The cubic root of 200243982 is about 585.0412535741.

Adding to 200243982 its reverse (289342002), we get a palindrome (489585984).

The spelling of 200243982 in words is "two hundred million, two hundred forty-three thousand, nine hundred eighty-two".