223980 has 24 divisors (see below), whose sum is σ = 627312. Its totient is φ = 59712.
The previous prime is 223969. The next prime is 223999. The reversal of 223980 is 89322.
It is a nialpdrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 223980.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807 + ... + 1926.
It is an arithmetic number, because the mean of its divisors is an integer number (26138).
2223980 is an apocalyptic number.
223980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223980 is an abundant number, since it is smaller than the sum of its proper divisors (403332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223980 is a wasteful number, since it uses less digits than its factorization.
223980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3745 (or 3743 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 223980 is about 473.2652533200. The cubic root of 223980 is about 60.7299718903.
The spelling of 223980 in words is "two hundred twenty-three thousand, nine hundred eighty".
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