28832976 has 80 divisors (see below), whose sum is σ = 85470720. Its totient is φ = 9296640.

The previous prime is 28832971. The next prime is 28832977. The reversal of 28832976 is 67923882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28832971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12316 + ... + 14468.

It is an arithmetic number, because the mean of its divisors is an integer number (1068384).

Almost surely, 2^28832976 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 28832976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42735360).

28832976 is an abundant number, since it is smaller than the sum of its proper divisors (56637744).

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

28832976 is a wasteful number, since it uses less digits than its factorization.

28832976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201 (or 2189 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 28832976 is about 5369.6346244414. The cubic root of 28832976 is about 306.6407182413.

The spelling of 28832976 in words is "twenty-eight million, eight hundred thirty-two thousand, nine hundred seventy-six".