298005 has 8 divisors (see below), whose sum is σ = 476832. Its totient is φ = 158928.

The previous prime is 297991. The next prime is 298013. The reversal of 298005 is 500892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 298005 - 2⁴ = 297989 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9919 + ... + 9948.

It is an arithmetic number, because the mean of its divisors is an integer number (59604).

2²⁹⁸⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

298005 is a deficient number, since it is larger than the sum of its proper divisors (178827).

298005 is a wasteful number, since it uses less digits than its factorization.

298005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19875.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 298005 is about 545.8983421847. The cubic root of 298005 is about 66.7945738837.

Adding to 298005 its reverse (500892), we get a palindrome (798897).

The spelling of 298005 in words is "two hundred ninety-eight thousand, five".