200690843 has 2 divisors, whose sum is σ = 200690844. Its totient is φ = 200690842.

The previous prime is 200690839. The next prime is 200690881. The reversal of 200690843 is 348096002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200690843 - 2² = 200690839 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200690143) 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 as a sum of consecutive naturals, namely, 100345421 + 100345422.

It is an arithmetic number, because the mean of its divisors is an integer number (100345422).

Almost surely, 2^200690843 is an apocalyptic number.

200690843 is a deficient number, since it is larger than the sum of its proper divisors (1).

200690843 is an equidigital number, since it uses as much as digits as its factorization.

200690843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 200690843 is about 14166.5395562925. The cubic root of 200690843 is about 585.4761195621.

The spelling of 200690843 in words is "two hundred million, six hundred ninety thousand, eight hundred forty-three".