28487016 has 48 divisors (see below), whose sum is σ = 79647360. Its totient is φ = 9188640.

The previous prime is 28486987. The next prime is 28487033. The reversal of 28487016 is 61078482.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4150 + ... + 8613.

It is an arithmetic number, because the mean of its divisors is an integer number (1659320).

Almost surely, 2^28487016 is an apocalyptic number.

It is an amenable number.

28487016 is an abundant number, since it is smaller than the sum of its proper divisors (51160344).

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

28487016 is a wasteful number, since it uses less digits than its factorization.

28487016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806 (or 12799 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28487016 is about 5337.3229244632. The cubic root of 28487016 is about 305.4093437674.

The spelling of 28487016 in words is "twenty-eight million, four hundred eighty-seven thousand, sixteen".