298294421 has 2 divisors, whose sum is σ = 298294422. Its totient is φ = 298294420.

The previous prime is 298294391. The next prime is 298294457. The reversal of 298294421 is 124492892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239940100 + 58354321 = 15490^2 + 7639^2 .

It is a cyclic number.

It is not a de Polignac number, because 298294421 - 2¹⁰ = 298293397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298296421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149147210 + 149147211.

It is an arithmetic number, because the mean of its divisors is an integer number (149147211).

Almost surely, 2^298294421 is an apocalyptic number.

It is an amenable number.

298294421 is a deficient number, since it is larger than the sum of its proper divisors (1).

298294421 is an equidigital number, since it uses as much as digits as its factorization.

298294421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 298294421 is about 17271.2020716567. The cubic root of 298294421 is about 668.1619040848.

The spelling of 298294421 in words is "two hundred ninety-eight million, two hundred ninety-four thousand, four hundred twenty-one".