28886976 has 112 divisors (see below), whose sum is σ = 86461600. Its totient is φ = 9455616.

The previous prime is 28886971. The next prime is 28887007. The reversal of 28886976 is 67968882.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28886971) 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, 126030 + ... + 126258.

Almost surely, 2^28886976 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 28886976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43230800).

28886976 is an abundant number, since it is smaller than the sum of its proper divisors (57574624).

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

28886976 is a wasteful number, since it uses less digits than its factorization.

28886976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 307 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 28886976 is about 5374.6605474206. The cubic root of 28886976 is about 306.8320301179.

The spelling of 28886976 in words is "twenty-eight million, eight hundred eighty-six thousand, nine hundred seventy-six".