298505 has 8 divisors (see below), whose sum is σ = 361152. Its totient is φ = 236848.

The previous prime is 298483. The next prime is 298513. The reversal of 298505 is 505892.

298505 is nontrivially palindromic in base 8.

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

It is a cyclic number.

It is not a de Polignac number, because 298505 - 2¹⁰ = 297481 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298505.

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, 1004 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2²⁹⁸⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

298505 is a deficient number, since it is larger than the sum of its proper divisors (62647).

298505 is a wasteful number, since it uses less digits than its factorization.

298505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 298505 is about 546.3561109753. The cubic root of 298505 is about 66.8319095280.

The spelling of 298505 in words is "two hundred ninety-eight thousand, five hundred five".