28332084 has 48 divisors (see below), whose sum is σ = 74079936. Its totient is φ = 8352000.

The previous prime is 28332077. The next prime is 28332131. The reversal of 28332084 is 48023382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (1543332).

Almost surely, 2^28332084 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 28332084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37039968).

28332084 is an abundant number, since it is smaller than the sum of its proper divisors (45747852).

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

28332084 is a wasteful number, since it uses less digits than its factorization.

28332084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28332084 is about 5322.7891184979. The cubic root of 28332084 is about 304.8546615615.

The spelling of 28332084 in words is "twenty-eight million, three hundred thirty-two thousand, eighty-four".