299244989 has 2 divisors, whose sum is σ = 299244990. Its totient is φ = 299244988.

The previous prime is 299244949. The next prime is 299245007. The reversal of 299244989 is 989442992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 60295225 = 15458^2 + 7765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299244989 is a prime.

It is a super-2 number, since 2×299244989² = 179095126883220242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299244949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149622494 + 149622495.

It is an arithmetic number, because the mean of its divisors is an integer number (149622495).

Almost surely, 2^299244989 is an apocalyptic number.

It is an amenable number.

299244989 is a deficient number, since it is larger than the sum of its proper divisors (1).

299244989 is an equidigital number, since it uses as much as digits as its factorization.

299244989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 56.

The square root of 299244989 is about 17298.6990551313. The cubic root of 299244989 is about 668.8708902599.

The spelling of 299244989 in words is "two hundred ninety-nine million, two hundred forty-four thousand, nine hundred eighty-nine".