256467 has 8 divisors (see below), whose sum is σ = 348624. Its totient is φ = 167648.

The previous prime is 256441. The next prime is 256469. The reversal of 256467 is 764652.

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

It is a cyclic number.

It is not a de Polignac number, because 256467 - 2⁸ = 256211 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256467.

It is not an unprimeable number, because it can be changed into a prime (256469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648 + ... + 965.

It is an arithmetic number, because the mean of its divisors is an integer number (43578).

2²⁵⁶⁴⁶⁷ is an apocalyptic number.

256467 is a deficient number, since it is larger than the sum of its proper divisors (92157).

256467 is a wasteful number, since it uses less digits than its factorization.

256467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its digits is 10080, while the sum is 30.

The square root of 256467 is about 506.4257102478. The cubic root of 256467 is about 63.5346288482.

The spelling of 256467 in words is "two hundred fifty-six thousand, four hundred sixty-seven".