456865 has 4 divisors (see below), whose sum is σ = 548244. Its totient is φ = 365488.

The previous prime is 456821. The next prime is 456871. The reversal of 456865 is 568654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 107584 = 591^2 + 328^2 .

It is a cyclic number.

It is not a de Polignac number, because 456865 - 2⁷ = 456737 is a prime.

It is a Duffinian number.

456865 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 456865.

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, 45682 + ... + 45691.

It is an arithmetic number, because the mean of its divisors is an integer number (137061).

2⁴⁵⁶⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

456865 is a deficient number, since it is larger than the sum of its proper divisors (91379).

456865 is an equidigital number, since it uses as much as digits as its factorization.

456865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91378.

The product of its digits is 28800, while the sum is 34.

The square root of 456865 is about 675.9178944221. The cubic root of 456865 is about 77.0186607946.

The spelling of 456865 in words is "four hundred fifty-six thousand, eight hundred sixty-five".