455424 has 36 divisors (see below), whose sum is σ = 1214136. Its totient is φ = 151552.

The previous prime is 455419. The next prime is 455431. The reversal of 455424 is 424554.

455424 is nontrivially palindromic in base 11.

455424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×455424² = 414822039552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 455394 and 455403.

It is an unprimeable number.

455424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 1064.

It is an arithmetic number, because the mean of its divisors is an integer number (33726).

2⁴⁵⁵⁴²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607068).

455424 is an abundant number, since it is smaller than the sum of its proper divisors (758712).

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

455424 is an equidigital number, since it uses as much as digits as its factorization.

455424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 598 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 455424 is about 674.8510946868. The cubic root of 455424 is about 76.9376005397.

Adding to 455424 its reverse (424554), we get a palindrome (879978).

The spelling of 455424 in words is "four hundred fifty-five thousand, four hundred twenty-four".