323620 has 24 divisors (see below), whose sum is σ = 741888. Its totient is φ = 117600.

The previous prime is 323599. The next prime is 323623. The reversal of 323620 is 26323.

It is a junction number, because it is equal to n+sod(n) for n = 323594 and 323603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323623) by changing a digit.

323620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 516 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (30912).

2³²³⁶²⁰ is an apocalyptic number.

It is an amenable number.

323620 is an abundant number, since it is smaller than the sum of its proper divisors (418268).

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

323620 is a wasteful number, since it uses less digits than its factorization.

323620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1489 counting only the distinct ones).

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

The square root of 323620 is about 568.8760849254. The cubic root of 323620 is about 68.6559927272.

Adding to 323620 its reverse (26323), we get a palindrome (349943).

The spelling of 323620 in words is "three hundred twenty-three thousand, six hundred twenty".