256714 has 8 divisors (see below), whose sum is σ = 393408. Its totient is φ = 125580.

The previous prime is 256699. The next prime is 256721. The reversal of 256714 is 417652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 1272 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (49176).

2²⁵⁶⁷¹⁴ is an apocalyptic number.

256714 is a deficient number, since it is larger than the sum of its proper divisors (136694).

256714 is a wasteful number, since it uses less digits than its factorization.

256714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780.

The product of its digits is 1680, while the sum is 25.

The square root of 256714 is about 506.6695175358. The cubic root of 256714 is about 63.5550187594. Note that the first 3 decimals are identical.

The spelling of 256714 in words is "two hundred fifty-six thousand, seven hundred fourteen".