28846928 has 40 divisors (see below), whose sum is σ = 61308576. Its totient is φ = 13040000.

The previous prime is 28846897. The next prime is 28846969. The reversal of 28846928 is 82964882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43850 + ... + 44502.

Almost surely, 2^28846928 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 28846928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30654288).

28846928 is an abundant number, since it is smaller than the sum of its proper divisors (32461648).

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

28846928 is a wasteful number, since it uses less digits than its factorization.

28846928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 917 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 28846928 is about 5370.9336246131. The cubic root of 28846928 is about 306.6901704313.

The spelling of 28846928 in words is "twenty-eight million, eight hundred forty-six thousand, nine hundred twenty-eight".