298668863 has 2 divisors, whose sum is σ = 298668864. Its totient is φ = 298668862.

The previous prime is 298668859. The next prime is 298668893. The reversal of 298668863 is 368866892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298668863 - 2² = 298668859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 298668799 and 298668808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298668803) 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, 149334431 + 149334432.

It is an arithmetic number, because the mean of its divisors is an integer number (149334432).

Almost surely, 2^298668863 is an apocalyptic number.

298668863 is a deficient number, since it is larger than the sum of its proper divisors (1).

298668863 is an equidigital number, since it uses as much as digits as its factorization.

298668863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 56.

The square root of 298668863 is about 17282.0387396858. The cubic root of 298668863 is about 668.4413631808.

The spelling of 298668863 in words is "two hundred ninety-eight million, six hundred sixty-eight thousand, eight hundred sixty-three".