28250082 has 48 divisors (see below), whose sum is σ = 70499520. Its totient is φ = 8008416.

The previous prime is 28250071. The next prime is 28250087. The reversal of 28250082 is 28005282.

28250082 is a `hidden beast` number, since 2 + 82 + 500 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (28250087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16708 + ... + 18320.

It is an arithmetic number, because the mean of its divisors is an integer number (1468740).

Almost surely, 2^28250082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28250082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35249760).

28250082 is an abundant number, since it is smaller than the sum of its proper divisors (42249438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28250082 is a wasteful number, since it uses less digits than its factorization.

28250082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 28250082 is about 5315.0806202728. The cubic root of 28250082 is about 304.5602621232.

The spelling of 28250082 in words is "twenty-eight million, two hundred fifty thousand, eighty-two".