455983 has 4 divisors (see below), whose sum is σ = 497448. Its totient is φ = 414520.

The previous prime is 455977. The next prime is 455989. The reversal of 455983 is 389554.

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

It is an interprime number because it is at equal distance from previous prime (455977) and next prime (455989).

It is a cyclic number.

It is not a de Polignac number, because 455983 - 2⁹ = 455471 is a prime.

It is a Duffinian number.

455983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455989) 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, 20716 + ... + 20737.

It is an arithmetic number, because the mean of its divisors is an integer number (124362).

2⁴⁵⁵⁹⁸³ is an apocalyptic number.

455983 is a deficient number, since it is larger than the sum of its proper divisors (41465).

455983 is a wasteful number, since it uses less digits than its factorization.

455983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41464.

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

The square root of 455983 is about 675.2651331144. The cubic root of 455983 is about 76.9690661148.

The spelling of 455983 in words is "four hundred fifty-five thousand, nine hundred eighty-three".