298896089 has 2 divisors, whose sum is σ = 298896090. Its totient is φ = 298896088.

The previous prime is 298896007. The next prime is 298896113. The reversal of 298896089 is 980698892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234334864 + 64561225 = 15308^2 + 8035^2 .

It is a cyclic number.

It is not a de Polignac number, because 298896089 - 2²⁰ = 297847513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (298896289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149448044 + 149448045.

It is an arithmetic number, because the mean of its divisors is an integer number (149448045).

Almost surely, 2^298896089 is an apocalyptic number.

It is an amenable number.

298896089 is a deficient number, since it is larger than the sum of its proper divisors (1).

298896089 is an equidigital number, since it uses as much as digits as its factorization.

298896089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The square root of 298896089 is about 17288.6115405489. The cubic root of 298896089 is about 668.6108359915.

The spelling of 298896089 in words is "two hundred ninety-eight million, eight hundred ninety-six thousand, eighty-nine".