320433 has 16 divisors (see below), whose sum is σ = 464256. Its totient is φ = 195840.

The previous prime is 320431. The next prime is 320449. The reversal of 320433 is 334023.

It is not a de Polignac number, because 320433 - 2¹ = 320431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3060 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (29016).

2³²⁰⁴³³ is an apocalyptic number.

It is an amenable number.

320433 is a deficient number, since it is larger than the sum of its proper divisors (143823).

320433 is a wasteful number, since it uses less digits than its factorization.

320433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 320433 is about 566.0680171146. The cubic root of 320433 is about 68.4298747786.

Adding to 320433 its reverse (334023), we get a palindrome (654456).

The spelling of 320433 in words is "three hundred twenty thousand, four hundred thirty-three".