298458 has 16 divisors (see below), whose sum is σ = 663360. Its totient is φ = 99468.

The previous prime is 298451. The next prime is 298477. The reversal of 298458 is 854892.

It is a d-powerful number, because it can be written as 2⁷ + 9² + 4⁷ + 8⁴ + 5⁶ + 8⁶ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (41460).

2²⁹⁸⁴⁵⁸ is an apocalyptic number.

298458 is an abundant number, since it is smaller than the sum of its proper divisors (364902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298458 is a wasteful number, since it uses less digits than its factorization.

298458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538 (or 5532 counting only the distinct ones).

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

The square root of 298458 is about 546.3130970423. The cubic root of 298458 is about 66.8284017536.

The spelling of 298458 in words is "two hundred ninety-eight thousand, four hundred fifty-eight".