320536 has 16 divisors (see below), whose sum is σ = 608400. Its totient is φ = 158304.

The previous prime is 320533. The next prime is 320539. The reversal of 320536 is 635023.

320536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (320533) and next prime (320539).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630 + ... + 1018.

It is an arithmetic number, because the mean of its divisors is an integer number (38025).

2³²⁰⁵³⁶ is an apocalyptic number.

It is an amenable number.

320536 is a deficient number, since it is larger than the sum of its proper divisors (287864).

320536 is a wasteful number, since it uses less digits than its factorization.

320536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 320536 is about 566.1589882710. The cubic root of 320536 is about 68.4372060272.

Adding to 320536 its reverse (635023), we get a palindrome (955559).

The spelling of 320536 in words is "three hundred twenty thousand, five hundred thirty-six".