233980 has 12 divisors (see below), whose sum is σ = 491400. Its totient is φ = 93584.
The previous prime is 233969. The next prime is 233983. The reversal of 233980 is 89332.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (233983) by changing a digit.
233980 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 5830 + ... + 5869.
It is an arithmetic number, because the mean of its divisors is an integer number (40950).
2233980 is an apocalyptic number.
233980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
233980 is an abundant number, since it is smaller than the sum of its proper divisors (257420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
233980 is a wasteful number, since it uses less digits than its factorization.
233980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11708 (or 11706 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 233980 is about 483.7147920004. The cubic root of 233980 is about 61.6206458035.
The spelling of 233980 in words is "two hundred thirty-three thousand, nine hundred eighty".
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