43930 has 16 divisors (see below), whose sum is σ = 82944. Its totient is φ = 16720.
The previous prime is 43913. The next prime is 43933. The reversal of 43930 is 3934.
It is a junction number, because it is equal to n+sod(n) for n = 43898 and 43907.
It is not an unprimeable number, because it can be changed into a prime (43933) by changing a digit.
43930 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, 135 + ... + 325.
It is an arithmetic number, because the mean of its divisors is an integer number (5184).
243930 is an apocalyptic number.
43930 is a deficient number, since it is larger than the sum of its proper divisors (39014).
43930 is a wasteful number, since it uses less digits than its factorization.
43930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 43930 is about 209.5948472649. The cubic root of 43930 is about 35.2847518722.
The spelling of 43930 in words is "forty-three thousand, nine hundred thirty".
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