320474 has 16 divisors (see below), whose sum is σ = 599616. Its totient is φ = 124800.

The previous prime is 320471. The next prime is 320477. The reversal of 320474 is 474023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320471) and next prime (320477).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320474.

It is not an unprimeable number, because it can be changed into a prime (320471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 887 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (37476).

2³²⁰⁴⁷⁴ is an apocalyptic number.

320474 is a deficient number, since it is larger than the sum of its proper divisors (279142).

320474 is a wasteful number, since it uses less digits than its factorization.

320474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 320474 is about 566.1042306855. The cubic root of 320474 is about 68.4327932308.

Adding to 320474 its reverse (474023), we get a palindrome (794497).

The spelling of 320474 in words is "three hundred twenty thousand, four hundred seventy-four", and thus it is an iban number.