256614 has 16 divisors (see below), whose sum is σ = 540480. Its totient is φ = 81000.

The previous prime is 256609. The next prime is 256639. The reversal of 256614 is 416652.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256614.

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 7 ways as a sum of consecutive naturals, for example, 1012 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (33780).

2²⁵⁶⁶¹⁴ is an apocalyptic number.

256614 is an abundant number, since it is smaller than the sum of its proper divisors (283866).

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

256614 is a wasteful number, since it uses less digits than its factorization.

256614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275.

The product of its digits is 1440, while the sum is 24.

The square root of 256614 is about 506.5708242684. The cubic root of 256614 is about 63.5467653110.

It can be divided in two parts, 2 and 56614, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 256614 in words is "two hundred fifty-six thousand, six hundred fourteen".