28547008 has 42 divisors (see below), whose sum is σ = 65903856. Its totient is φ = 12233088.

The previous prime is 28546997. The next prime is 28547011. The reversal of 28547008 is 80074582.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1416 + ... + 7687.

Almost surely, 2^28547008 is an apocalyptic number.

28547008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28547008 is an abundant number, since it is smaller than the sum of its proper divisors (37356848).

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

28547008 is an equidigital number, since it uses as much as digits as its factorization.

28547008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129 (or 9112 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28547008 is about 5342.9400146361. The cubic root of 28547008 is about 305.6235848870.

The spelling of 28547008 in words is "twenty-eight million, five hundred forty-seven thousand, eight".