455420 has 24 divisors (see below), whose sum is σ = 1093344. Its totient is φ = 156096.

The previous prime is 455419. The next prime is 455431. The reversal of 455420 is 24554.

It is a happy number.

455420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 455392 and 455401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1487 + ... + 1766.

It is an arithmetic number, because the mean of its divisors is an integer number (45556).

2⁴⁵⁵⁴²⁰ is an apocalyptic number.

It is an amenable number.

455420 is an abundant number, since it is smaller than the sum of its proper divisors (637924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455420 is a wasteful number, since it uses less digits than its factorization.

455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 455420 is about 674.8481310636. The cubic root of 455420 is about 76.9373752908.

Adding to 455420 its reverse (24554), we get a palindrome (479974).

The spelling of 455420 in words is "four hundred fifty-five thousand, four hundred twenty".