256348 has 12 divisors (see below), whose sum is σ = 472360. Its totient is φ = 121392.

The previous prime is 256337. The next prime is 256349. The reversal of 256348 is 843652.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2³ + 5⁷ + 3¹¹ + 6² + 4⁵ + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1611 + ... + 1762.

2²⁵⁶³⁴⁸ is an apocalyptic number.

It is an amenable number.

256348 is a deficient number, since it is larger than the sum of its proper divisors (216012).

256348 is a wasteful number, since it uses less digits than its factorization.

256348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3394 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 256348 is about 506.3082065304. The cubic root of 256348 is about 63.5248006955.

The spelling of 256348 in words is "two hundred fifty-six thousand, three hundred forty-eight".