298346989 has 2 divisors, whose sum is σ = 298346990. Its totient is φ = 298346988.

The previous prime is 298346981. The next prime is 298346999. The reversal of 298346989 is 989643892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208571364 + 89775625 = 14442^2 + 9475^2 .

It is a cyclic number.

It is not a de Polignac number, because 298346989 - 2³ = 298346981 is a prime.

It is a super-2 number, since 2×298346989² = 178021851690732242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298346981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149173494 + 149173495.

It is an arithmetic number, because the mean of its divisors is an integer number (149173495).

Almost surely, 2^298346989 is an apocalyptic number.

It is an amenable number.

298346989 is a deficient number, since it is larger than the sum of its proper divisors (1).

298346989 is an equidigital number, since it uses as much as digits as its factorization.

298346989 is an odious number, because the sum of its binary digits is odd.

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

The square root of 298346989 is about 17272.7238442580. The cubic root of 298346989 is about 668.2011515189.

The spelling of 298346989 in words is "two hundred ninety-eight million, three hundred forty-six thousand, nine hundred eighty-nine".