487816 has 32 divisors (see below), whose sum is σ = 1082880. Its totient is φ = 201600.
The previous prime is 487811. The next prime is 487819. The reversal of 487816 is 618784.
487816 = T103 + T104 + ... + T158.
It is a happy number.
487816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (487811) by changing a digit.
487816 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, 1596 + ... + 1876.
It is an arithmetic number, because the mean of its divisors is an integer number (33840).
2487816 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 487816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541440).
487816 is an abundant number, since it is smaller than the sum of its proper divisors (595064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487816 is a wasteful number, since it uses less digits than its factorization.
487816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325 (or 321 counting only the distinct ones).
The product of its digits is 10752, while the sum is 34.
The square root of 487816 is about 698.4382578296. The cubic root of 487816 is about 78.7200473979.
The spelling of 487816 in words is "four hundred eighty-seven thousand, eight hundred sixteen".
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