85028 has 12 divisors (see below), whose sum is σ = 154140. Its totient is φ = 40992.
The previous prime is 85027. The next prime is 85037. The reversal of 85028 is 82058.
It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 16384 = 262^2 + 128^2 .
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 84994 and 85012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 482.
It is an arithmetic number, because the mean of its divisors is an integer number (12845).
285028 is an apocalyptic number.
It is an amenable number.
85028 is a deficient number, since it is larger than the sum of its proper divisors (69112).
85028 is a wasteful number, since it uses less digits than its factorization.
85028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 766 (or 764 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 85028 is about 291.5956103922. The cubic root of 85028 is about 43.9731240830.
It can be divided in two parts, 850 and 28, that added together give a palindrome (878).
The spelling of 85028 in words is "eighty-five thousand, twenty-eight".
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