436628243 has 2 divisors, whose sum is σ = 436628244. Its totient is φ = 436628242.

The previous prime is 436628219. The next prime is 436628279. The reversal of 436628243 is 342826634.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-436628243 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 436628197 and 436628206.

It is not a weakly prime, because it can be changed into another prime (436628293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218314121 + 218314122.

It is an arithmetic number, because the mean of its divisors is an integer number (218314122).

Almost surely, 2^436628243 is an apocalyptic number.

436628243 is a deficient number, since it is larger than the sum of its proper divisors (1).

436628243 is an equidigital number, since it uses as much as digits as its factorization.

436628243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 38.

The square root of 436628243 is about 20895.6512939894. The cubic root of 436628243 is about 758.6426852777.

The spelling of 436628243 in words is "four hundred thirty-six million, six hundred twenty-eight thousand, two hundred forty-three".