982820 has 24 divisors (see below), whose sum is σ = 2083704. Its totient is φ = 389376.
The previous prime is 982819. The next prime is 982829. The reversal of 982820 is 28289.
It can be written as a sum of positive squares in 4 ways, for example, as 18496 + 964324 = 136^2 + 982^2 .
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (982829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984 + ... + 3296.
It is an arithmetic number, because the mean of its divisors is an integer number (86821).
2982820 is an apocalyptic number.
It is an amenable number.
982820 is an abundant number, since it is smaller than the sum of its proper divisors (1100884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
982820 is a wasteful number, since it uses less digits than its factorization.
982820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479 (or 477 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 982820 is about 991.3727855857. The cubic root of 982820 is about 99.4240221984.
The spelling of 982820 in words is "nine hundred eighty-two thousand, eight hundred twenty".
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