298855069 has 2 divisors, whose sum is σ = 298855070. Its totient is φ = 298855068.

The previous prime is 298855049. The next prime is 298855079. The reversal of 298855069 is 960558892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158432569 + 140422500 = 12587^2 + 11850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298855069 is a prime.

It is a super-2 number, since 2×298855069² = 178628704533989522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298855049) 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, 149427534 + 149427535.

It is an arithmetic number, because the mean of its divisors is an integer number (149427535).

Almost surely, 2^298855069 is an apocalyptic number.

It is an amenable number.

298855069 is a deficient number, since it is larger than the sum of its proper divisors (1).

298855069 is an equidigital number, since it uses as much as digits as its factorization.

298855069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 298855069 is about 17287.4251697585. The cubic root of 298855069 is about 668.5802482474.

The spelling of 298855069 in words is "two hundred ninety-eight million, eight hundred fifty-five thousand, sixty-nine".