28842684 has 96 divisors (see below), whose sum is σ = 78650880. Its totient is φ = 8149248.

The previous prime is 28842677. The next prime is 28842701. The reversal of 28842684 is 48624882.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 109537 + ... + 109799.

It is an arithmetic number, because the mean of its divisors is an integer number (819280).

Almost surely, 2^28842684 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 28842684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39325440).

28842684 is an abundant number, since it is smaller than the sum of its proper divisors (49808196).

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

28842684 is a wasteful number, since it uses less digits than its factorization.

28842684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 28842684 is about 5370.5385204838. The cubic root of 28842684 is about 306.6751294661.

The spelling of 28842684 in words is "twenty-eight million, eight hundred forty-two thousand, six hundred eighty-four".