323988 has 72 divisors (see below), whose sum is σ = 957600. Its totient is φ = 84672.

The previous prime is 323987. The next prime is 324011. The reversal of 323988 is 889323.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11158 + ... + 11186.

It is an arithmetic number, because the mean of its divisors is an integer number (13300).

2³²³⁹⁸⁸ is an apocalyptic number.

323988 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478800).

323988 is an abundant number, since it is smaller than the sum of its proper divisors (633612).

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

323988 is a wasteful number, since it uses less digits than its factorization.

323988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 60 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 323988 is about 569.1994378072. The cubic root of 323988 is about 68.6820066063.

The spelling of 323988 in words is "three hundred twenty-three thousand, nine hundred eighty-eight".