298845 has 24 divisors (see below), whose sum is σ = 538200. Its totient is φ = 153216.

The previous prime is 298841. The next prime is 298847. The reversal of 298845 is 548892.

It can be written as a sum of positive squares in 4 ways, for example, as 93636 + 205209 = 306^2 + 453^2 .

It is not a de Polignac number, because 298845 - 2² = 298841 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298845.

It is not an unprimeable number, because it can be changed into a prime (298841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1191 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (22425).

2²⁹⁸⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

298845 is a deficient number, since it is larger than the sum of its proper divisors (239355).

298845 is a wasteful number, since it uses less digits than its factorization.

298845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 266 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 298845 is about 546.6671747965. The cubic root of 298845 is about 66.8572739580.

Subtracting 298845 from its reverse (548892), we obtain a cube (250047 = 63³).

The spelling of 298845 in words is "two hundred ninety-eight thousand, eight hundred forty-five".