256414 has 16 divisors (see below), whose sum is σ = 408240. Its totient is φ = 120640.

The previous prime is 256393. The next prime is 256423. The reversal of 256414 is 414652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4317 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (25515).

256414 is a Friedman number, since it can be written as 6254*41, using all its digits and the basic arithmetic operations.

2²⁵⁶⁴¹⁴ is an apocalyptic number.

256414 is a deficient number, since it is larger than the sum of its proper divisors (151826).

256414 is a wasteful number, since it uses less digits than its factorization.

256414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155.

The product of its digits is 960, while the sum is 22.

The square root of 256414 is about 506.3733800270. The cubic root of 256414 is about 63.5302519793.

The spelling of 256414 in words is "two hundred fifty-six thousand, four hundred fourteen".