996605843 has 2 divisors, whose sum is σ = 996605844. Its totient is φ = 996605842.

The previous prime is 996605837. The next prime is 996605903. The reversal of 996605843 is 348506699.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996605843 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 996605791 and 996605800.

It is not a weakly prime, because it can be changed into another prime (996605833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498302921 + 498302922.

It is an arithmetic number, because the mean of its divisors is an integer number (498302922).

Almost surely, 2^996605843 is an apocalyptic number.

996605843 is a deficient number, since it is larger than the sum of its proper divisors (1).

996605843 is an equidigital number, since it uses as much as digits as its factorization.

996605843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 996605843 is about 31569.0646519659. The cubic root of 996605843 is about 998.8673318806.

The spelling of 996605843 in words is "nine hundred ninety-six million, six hundred five thousand, eight hundred forty-three".