323940 has 24 divisors (see below), whose sum is σ = 907200. Its totient is φ = 86368.

The previous prime is 323933. The next prime is 323951. The reversal of 323940 is 49323.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323940.

It is an unprimeable number.

323940 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 7 ways as a sum of consecutive naturals, for example, 2640 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2³²³⁹⁴⁰ is an apocalyptic number.

323940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323940 is an abundant number, since it is smaller than the sum of its proper divisors (583260).

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

323940 is a wasteful number, since it uses less digits than its factorization.

323940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411 (or 5409 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 323940 is about 569.1572717624. The cubic root of 323940 is about 68.6786146091.

The spelling of 323940 in words is "three hundred twenty-three thousand, nine hundred forty".