28988960 has 192 divisors, whose sum is σ = 92461824. Its totient is φ = 8294400.

The previous prime is 28988959. The next prime is 28988977. The reversal of 28988960 is 6988982.

It is a junction number, because it is equal to n+sod(n) for n = 28988899 and 28988908.

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 31 ways as a sum of consecutive naturals, for example, 160070 + ... + 160250.

It is an arithmetic number, because the mean of its divisors is an integer number (481572).

Almost surely, 2^28988960 is an apocalyptic number.

28988960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28988960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46230912).

28988960 is an abundant number, since it is smaller than the sum of its proper divisors (63472864).

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

28988960 is a wasteful number, since it uses less digits than its factorization.

28988960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 28988960 is about 5384.1396712938. The cubic root of 28988960 is about 307.1926909792.

The spelling of 28988960 in words is "twenty-eight million, nine hundred eighty-eight thousand, nine hundred sixty".