298286993 has 2 divisors, whose sum is σ = 298286994. Its totient is φ = 298286992.

The previous prime is 298286987. The next prime is 298286999. The reversal of 298286993 is 399682892.

It is a balanced prime because it is at equal distance from previous prime (298286987) and next prime (298286999).

It can be written as a sum of positive squares in only one way, i.e., 274001809 + 24285184 = 16553^2 + 4928^2 .

It is a cyclic number.

It is not a de Polignac number, because 298286993 - 2¹⁸ = 298024849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (298286999) 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, 149143496 + 149143497.

It is an arithmetic number, because the mean of its divisors is an integer number (149143497).

Almost surely, 2^298286993 is an apocalyptic number.

It is an amenable number.

298286993 is a deficient number, since it is larger than the sum of its proper divisors (1).

298286993 is an equidigital number, since it uses as much as digits as its factorization.

298286993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 56.

The square root of 298286993 is about 17270.9870302771. The cubic root of 298286993 is about 668.1563579449.

The spelling of 298286993 in words is "two hundred ninety-eight million, two hundred eighty-six thousand, nine hundred ninety-three".