28014880 has 48 divisors (see below), whose sum is σ = 66515904. Its totient is φ = 11150080.

The previous prime is 28014869. The next prime is 28014881. The reversal of 28014880 is 8841082.

It is not an unprimeable number, because it can be changed into a prime (28014881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49479 + ... + 50041.

It is an arithmetic number, because the mean of its divisors is an integer number (1385748).

Almost surely, 2^28014880 is an apocalyptic number.

28014880 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 28014880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33257952).

28014880 is an abundant number, since it is smaller than the sum of its proper divisors (38501024).

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

28014880 is a wasteful number, since it uses less digits than its factorization.

28014880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 28014880 is about 5292.9084632176. The cubic root of 28014880 is about 303.7126786663.

The spelling of 28014880 in words is "twenty-eight million, fourteen thousand, eight hundred eighty".