298345 has 4 divisors (see below), whose sum is σ = 358020. Its totient is φ = 238672.

The previous prime is 298343. The next prime is 298349. The reversal of 298345 is 543892.

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 177241 + 121104 = 421^2 + 348^2 .

It is a cyclic number.

It is not a de Polignac number, because 298345 - 2¹ = 298343 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 9³ + 3⁷ + 8³ + 4⁹ + 5 .

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

It is not an unprimeable number, because it can be changed into a prime (298343) 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, 29830 + ... + 29839.

It is an arithmetic number, because the mean of its divisors is an integer number (89505).

2²⁹⁸³⁴⁵ is an apocalyptic number.

It is an amenable number.

298345 is a deficient number, since it is larger than the sum of its proper divisors (59675).

298345 is an equidigital number, since it uses as much as digits as its factorization.

298345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59674.

The product of its digits is 8640, while the sum is 31.

The square root of 298345 is about 546.2096667032. The cubic root of 298345 is about 66.8199666609.

The spelling of 298345 in words is "two hundred ninety-eight thousand, three hundred forty-five".