256950 has 36 divisors (see below), whose sum is σ = 691548. Its totient is φ = 68400.

The previous prime is 256939. The next prime is 256957. The reversal of 256950 is 59652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256957) by changing a digit.

256950 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 165 + ... + 735.

2²⁵⁶⁹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345774).

256950 is an abundant number, since it is smaller than the sum of its proper divisors (434598).

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

256950 is a wasteful number, since it uses less digits than its factorization.

256950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 256950 is about 506.9023574615. The cubic root of 256950 is about 63.5744884033.

The spelling of 256950 in words is "two hundred fifty-six thousand, nine hundred fifty".