28516976 has 40 divisors (see below), whose sum is σ = 58590000. Its totient is φ = 13422080.

The previous prime is 28516949. The next prime is 28516979. The reversal of 28516976 is 67961582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28516979) by changing a digit.

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, 18275 + ... + 19773.

It is an arithmetic number, because the mean of its divisors is an integer number (1464750).

Almost surely, 2^28516976 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 28516976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29295000).

28516976 is an abundant number, since it is smaller than the sum of its proper divisors (30073024).

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

28516976 is a wasteful number, since it uses less digits than its factorization.

28516976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1571 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 28516976 is about 5340.1288373971. The cubic root of 28516976 is about 305.5163733241.

It can be divided in two parts, 28516 and 976, that added together give a palindrome (29492).

The spelling of 28516976 in words is "twenty-eight million, five hundred sixteen thousand, nine hundred seventy-six".