320454 has 24 divisors (see below), whose sum is σ = 731640. Its totient is φ = 101088.

The previous prime is 320449. The next prime is 320471. The reversal of 320454 is 454023.

It is a happy number.

320454 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 2×320454² = 205381532232, which contains 22 as substring.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320454.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127 + ... + 810.

It is an arithmetic number, because the mean of its divisors is an integer number (30485).

2³²⁰⁴⁵⁴ is an apocalyptic number.

320454 is an abundant number, since it is smaller than the sum of its proper divisors (411186).

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

320454 is a wasteful number, since it uses less digits than its factorization.

320454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 961 counting only the distinct ones).

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

The square root of 320454 is about 566.0865658183. The cubic root of 320454 is about 68.4313696266.

Adding to 320454 its reverse (454023), we get a palindrome (774477).

The spelling of 320454 in words is "three hundred twenty thousand, four hundred fifty-four".