298849819 has 2 divisors, whose sum is σ = 298849820. Its totient is φ = 298849818.

The previous prime is 298849801. The next prime is 298849853. The reversal of 298849819 is 918948892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298849819 - 2¹¹ = 298847771 is a prime.

It is a super-2 number, since 2×298849819² = 178622428632665522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298849319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149424909 + 149424910.

It is an arithmetic number, because the mean of its divisors is an integer number (149424910).

Almost surely, 2^298849819 is an apocalyptic number.

298849819 is a deficient number, since it is larger than the sum of its proper divisors (1).

298849819 is an equidigital number, since it uses as much as digits as its factorization.

298849819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 58.

The square root of 298849819 is about 17287.2733246166. The cubic root of 298849819 is about 668.5763332317.

The spelling of 298849819 in words is "two hundred ninety-eight million, eight hundred forty-nine thousand, eight hundred nineteen".