454320 has 60 divisors (see below), whose sum is σ = 1528176. Its totient is φ = 120960.

The previous prime is 454313. The next prime is 454331. The reversal of 454320 is 23454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 454293 and 454302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405 + ... + 1035.

2⁴⁵⁴³²⁰ is an apocalyptic number.

454320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764088).

454320 is an abundant number, since it is smaller than the sum of its proper divisors (1073856).

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

454320 is a wasteful number, since it uses less digits than its factorization.

454320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 454320 is about 674.0326401592. The cubic root of 454320 is about 76.8753817153.

Adding to 454320 its reverse (23454), we get a palindrome (477774).

The spelling of 454320 in words is "four hundred fifty-four thousand, three hundred twenty".