200992843 has 4 divisors (see below), whose sum is σ = 206425120. Its totient is φ = 195560568.

The previous prime is 200992787. The next prime is 200992859. The reversal of 200992843 is 348299002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200992843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 5432239 = 200992843 / (2 + 0 + 0 + 9 + 9 + 2 + 8 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200992873) by changing a digit.

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, 2716083 + ... + 2716156.

It is an arithmetic number, because the mean of its divisors is an integer number (51606280).

Almost surely, 2^200992843 is an apocalyptic number.

200992843 is a deficient number, since it is larger than the sum of its proper divisors (5432277).

200992843 is an equidigital number, since it uses as much as digits as its factorization.

200992843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432276.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 200992843 is about 14177.1944685823. The cubic root of 200992843 is about 585.7696476069.

The spelling of 200992843 in words is "two hundred million, nine hundred ninety-two thousand, eight hundred forty-three".