286028609 has 2 divisors, whose sum is σ = 286028610. Its totient is φ = 286028608.

The previous prime is 286028593. The next prime is 286028629. The reversal of 286028609 is 906820682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285610000 + 418609 = 16900^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 286028609 - 2⁴ = 286028593 is a prime.

It is not a weakly prime, because it can be changed into another prime (286028629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143014304 + 143014305.

It is an arithmetic number, because the mean of its divisors is an integer number (143014305).

Almost surely, 2^286028609 is an apocalyptic number.

It is an amenable number.

286028609 is a deficient number, since it is larger than the sum of its proper divisors (1).

286028609 is an equidigital number, since it uses as much as digits as its factorization.

286028609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 286028609 is about 16912.3803469529. The cubic root of 286028609 is about 658.8751954056.

The spelling of 286028609 in words is "two hundred eighty-six million, twenty-eight thousand, six hundred nine".