256894 has 8 divisors (see below), whose sum is σ = 420408. Its totient is φ = 116760.

The previous prime is 256889. The next prime is 256901. The reversal of 256894 is 498652.

It is a happy number.

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 2¹⁷ + 5⁷ + 8 + 6⁶ + 9 + 4⁵ .

It is a congruent 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, 5817 + ... + 5860.

It is an arithmetic number, because the mean of its divisors is an integer number (52551).

2²⁵⁶⁸⁹⁴ is an apocalyptic number.

256894 is a deficient number, since it is larger than the sum of its proper divisors (163514).

256894 is a wasteful number, since it uses less digits than its factorization.

256894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690.

The product of its digits is 17280, while the sum is 34.

The square root of 256894 is about 506.8471169889. The cubic root of 256894 is about 63.5698695670.

It can be divided in two parts, 2568 and 94, that added together give a palindrome (2662).

The spelling of 256894 in words is "two hundred fifty-six thousand, eight hundred ninety-four".