223854 has 8 divisors (see below), whose sum is σ = 447720. Its totient is φ = 74616.
The previous prime is 223849. The next prime is 223903. The reversal of 223854 is 458322.
It is a sphenic number, since it is the product of 3 distinct primes.
223854 is an admirable number.
It is a super-2 number, since 2×2238542 = 100221226632, which contains 22 as substring.
It is a nialpdrome in base 6 and base 12.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 18649 + ... + 18660.
It is an arithmetic number, because the mean of its divisors is an integer number (55965).
2223854 is an apocalyptic number.
223854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223854 is a wasteful number, since it uses less digits than its factorization.
223854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37314.
The product of its digits is 1920, while the sum is 24.
The square root of 223854 is about 473.1321168553. The cubic root of 223854 is about 60.7185818677.
The spelling of 223854 in words is "two hundred twenty-three thousand, eight hundred fifty-four".
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