298936489 has 4 divisors (see below), whose sum is σ = 300099924. Its totient is φ = 297773056.

The previous prime is 298936459. The next prime is 298936499. The reversal of 298936489 is 984639892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136118889 + 162817600 = 11667^2 + 12760^2 .

It is a cyclic number.

It is not a de Polignac number, because 298936489 - 2¹⁹ = 298412201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298936439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581332 + ... + 581845.

It is an arithmetic number, because the mean of its divisors is an integer number (75024981).

Almost surely, 2^298936489 is an apocalyptic number.

It is an amenable number.

298936489 is a deficient number, since it is larger than the sum of its proper divisors (1163435).

298936489 is a wasteful number, since it uses less digits than its factorization.

298936489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163434.

The product of its digits is 6718464, while the sum is 58.

The square root of 298936489 is about 17289.7799002763. The cubic root of 298936489 is about 668.6409586794.

The spelling of 298936489 in words is "two hundred ninety-eight million, nine hundred thirty-six thousand, four hundred eighty-nine".