455839 has 4 divisors (see below), whose sum is σ = 457200. Its totient is φ = 454480.

The previous prime is 455831. The next prime is 455849. The reversal of 455839 is 938554.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 455839 - 2³ = 455831 is a prime.

It is a Duffinian number.

455839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (114300).

2⁴⁵⁵⁸³⁹ is an apocalyptic number.

455839 is a deficient number, since it is larger than the sum of its proper divisors (1361).

455839 is an equidigital number, since it uses as much as digits as its factorization.

455839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its digits is 21600, while the sum is 34.

The square root of 455839 is about 675.1584999095. The cubic root of 455839 is about 76.9609629528.

The spelling of 455839 in words is "four hundred fifty-five thousand, eight hundred thirty-nine".