298989841 has 2 divisors, whose sum is σ = 298989842. Its totient is φ = 298989840.

The previous prime is 298989839. The next prime is 298989937. The reversal of 298989841 is 148989892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247149841 + 51840000 = 15721^2 + 7200^2 .

It is a cyclic number.

It is not a de Polignac number, because 298989841 - 2¹ = 298989839 is a prime.

Together with 298989839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (298989241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149494920 + 149494921.

It is an arithmetic number, because the mean of its divisors is an integer number (149494921).

Almost surely, 2^298989841 is an apocalyptic number.

It is an amenable number.

298989841 is a deficient number, since it is larger than the sum of its proper divisors (1).

298989841 is an equidigital number, since it uses as much as digits as its factorization.

298989841 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 298989841 is about 17291.3227082256. The cubic root of 298989841 is about 668.6807343639.

The spelling of 298989841 in words is "two hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred forty-one".