298210849 has 2 divisors, whose sum is σ = 298210850. Its totient is φ = 298210848.

The previous prime is 298210813. The next prime is 298210867. The reversal of 298210849 is 948012892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269780625 + 28430224 = 16425^2 + 5332^2 .

It is a cyclic number.

It is not a de Polignac number, because 298210849 - 2⁹ = 298210337 is a prime.

It is a super-2 number, since 2×298210849² = 177859420922601602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298210879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149105424 + 149105425.

It is an arithmetic number, because the mean of its divisors is an integer number (149105425).

Almost surely, 2^298210849 is an apocalyptic number.

It is an amenable number.

298210849 is a deficient number, since it is larger than the sum of its proper divisors (1).

298210849 is an equidigital number, since it uses as much as digits as its factorization.

298210849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 298210849 is about 17268.7824990646. The cubic root of 298210849 is about 668.0994994735.

It can be divided in two parts, 2982 and 10849, that added together give a palindrome (13831).

The spelling of 298210849 in words is "two hundred ninety-eight million, two hundred ten thousand, eight hundred forty-nine".