320632 has 16 divisors (see below), whose sum is σ = 647640. Its totient is φ = 147936.

The previous prime is 320627. The next prime is 320647. The reversal of 320632 is 236023.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

320632 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438 + ... + 1645.

2³²⁰⁶³² is an apocalyptic number.

It is an amenable number.

320632 is an abundant number, since it is smaller than the sum of its proper divisors (327008).

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

320632 is a wasteful number, since it uses less digits than its factorization.

320632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 320632 is about 566.2437637626. The cubic root of 320632 is about 68.4440376218. Note that the first 3 decimals are identical.

Adding to 320632 its reverse (236023), we get a palindrome (556655).

The spelling of 320632 in words is "three hundred twenty thousand, six hundred thirty-two".