256298 has 8 divisors (see below), whose sum is σ = 439392. Its totient is φ = 109836.

The previous prime is 256279. The next prime is 256301. The reversal of 256298 is 892652.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9140 + ... + 9167.

It is an arithmetic number, because the mean of its divisors is an integer number (54924).

2²⁵⁶²⁹⁸ is an apocalyptic number.

256298 is a deficient number, since it is larger than the sum of its proper divisors (183094).

256298 is a wasteful number, since it uses less digits than its factorization.

256298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18316.

The product of its digits is 8640, while the sum is 32.

The square root of 256298 is about 506.2588270835. The cubic root of 256298 is about 63.5206703121.

The spelling of 256298 in words is "two hundred fifty-six thousand, two hundred ninety-eight".