28487108 has 24 divisors (see below), whose sum is σ = 53917248. Its totient is φ = 13091616.

The previous prime is 28487093. The next prime is 28487111. The reversal of 28487108 is 80178482.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 12635 + ... + 14717.

It is an arithmetic number, because the mean of its divisors is an integer number (2246552).

Almost surely, 2^28487108 is an apocalyptic number.

It is an amenable number.

28487108 is a deficient number, since it is larger than the sum of its proper divisors (25430140).

28487108 is a wasteful number, since it uses less digits than its factorization.

28487108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 28487108 is about 5337.3315430091. The cubic root of 28487108 is about 305.4096725444.

The spelling of 28487108 in words is "twenty-eight million, four hundred eighty-seven thousand, one hundred eight".