298258 has 8 divisors (see below), whose sum is σ = 450252. Its totient is φ = 148176.

The previous prime is 298247. The next prime is 298261. The reversal of 298258 is 852892.

It can be written as a sum of positive squares in 2 ways, for example, as 257049 + 41209 = 507^2 + 203^2 .

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

It is a d-powerful number, because it can be written as 2¹³ + 9 + 2¹³ + 8⁴ + 5⁶ + 8⁶ .

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 3 ways as a sum of consecutive naturals, for example, 16 + ... + 772.

2²⁹⁸²⁵⁸ is an apocalyptic number.

298258 is a deficient number, since it is larger than the sum of its proper divisors (151994).

298258 is a wasteful number, since it uses less digits than its factorization.

298258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its digits is 11520, while the sum is 34.

The square root of 298258 is about 546.1300211488. The cubic root of 298258 is about 66.8134709348.

The spelling of 298258 in words is "two hundred ninety-eight thousand, two hundred fifty-eight".