28328082 has 16 divisors (see below), whose sum is σ = 56879712. Its totient is φ = 9405440.

The previous prime is 28328081. The next prime is 28328117. The reversal of 28328082 is 28082382.

It is not an unprimeable number, because it can be changed into a prime (28328081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7644 + ... + 10727.

It is an arithmetic number, because the mean of its divisors is an integer number (3554982).

Almost surely, 2^28328082 is an apocalyptic number.

28328082 is an abundant number, since it is smaller than the sum of its proper divisors (28551630).

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

28328082 is a wasteful number, since it uses less digits than its factorization.

28328082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18633.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 28328082 is about 5322.4131744914. The cubic root of 28328082 is about 304.8403069779.

The spelling of 28328082 in words is "twenty-eight million, three hundred twenty-eight thousand, eighty-two".