298727449 has 4 divisors (see below), whose sum is σ = 299009536. Its totient is φ = 298445364.

The previous prime is 298727437. The next prime is 298727477. The reversal of 298727449 is 944727892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298727449 - 2²⁵ = 265173017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 298727396 and 298727405.

It is not an unprimeable number, because it can be changed into a prime (298727419) 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, 139449 + ... + 141574.

It is an arithmetic number, because the mean of its divisors is an integer number (74752384).

Almost surely, 2^298727449 is an apocalyptic number.

It is an amenable number.

298727449 is a deficient number, since it is larger than the sum of its proper divisors (282087).

298727449 is a wasteful number, since it uses less digits than its factorization.

298727449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282086.

The product of its digits is 2032128, while the sum is 52.

The square root of 298727449 is about 17283.7336533516. The cubic root of 298727449 is about 668.4850668163.

The spelling of 298727449 in words is "two hundred ninety-eight million, seven hundred twenty-seven thousand, four hundred forty-nine".