298970249 has 4 divisors (see below), whose sum is σ = 307050564. Its totient is φ = 290889936.

The previous prime is 298970219. The next prime is 298970257. The reversal of 298970249 is 942079892.

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 157954624 + 141015625 = 12568^2 + 11875^2 .

It is a cyclic number.

It is not a de Polignac number, because 298970249 - 2²⁸ = 30534793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 298970197 and 298970206.

It is not an unprimeable number, because it can be changed into a prime (298970219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040102 + ... + 4040175.

It is an arithmetic number, because the mean of its divisors is an integer number (76762641).

Almost surely, 2^298970249 is an apocalyptic number.

It is an amenable number.

298970249 is a deficient number, since it is larger than the sum of its proper divisors (8080315).

298970249 is an equidigital number, since it uses as much as digits as its factorization.

298970249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080314.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 298970249 is about 17290.7561720128. The cubic root of 298970249 is about 668.6661284283. Note that the first 3 decimals are identical.

The spelling of 298970249 in words is "two hundred ninety-eight million, nine hundred seventy thousand, two hundred forty-nine".