256248 has 24 divisors (see below), whose sum is σ = 694200. Its totient is φ = 85392.

The previous prime is 256219. The next prime is 256279. The reversal of 256248 is 842652.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1708 + ... + 1851.

It is an arithmetic number, because the mean of its divisors is an integer number (28925).

2²⁵⁶²⁴⁸ is an apocalyptic number.

It is an amenable number.

256248 is an abundant number, since it is smaller than the sum of its proper divisors (437952).

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

256248 is a wasteful number, since it uses less digits than its factorization.

256248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571 (or 3564 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 256248 is about 506.2094428199. The cubic root of 256248 is about 63.5165393915.

The spelling of 256248 in words is "two hundred fifty-six thousand, two hundred forty-eight".