320473 has 8 divisors (see below), whose sum is σ = 342720. Its totient is φ = 298800.

The previous prime is 320471. The next prime is 320477. The reversal of 320473 is 374023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320473 - 2¹ = 320471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

320473 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 320473.

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, 1836 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2³²⁰⁴⁷³ is an apocalyptic number.

It is an amenable number.

320473 is a deficient number, since it is larger than the sum of its proper divisors (22247).

320473 is a wasteful number, since it uses less digits than its factorization.

320473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 320473 is about 566.1033474552. The cubic root of 320473 is about 68.4327220520.

Adding to 320473 its reverse (374023), we get a palindrome (694496).

It can be divided in two parts, 32047 and 3, that multiplied together give a triangular number (96141 = T₄₃₈).

The spelling of 320473 in words is "three hundred twenty thousand, four hundred seventy-three", and thus it is an iban number.