28488086 has 16 divisors (see below), whose sum is σ = 46759680. Its totient is φ = 12909480.

The previous prime is 28488067. The next prime is 28488127. The reversal of 28488086 is 68088482.

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 7 ways as a sum of consecutive naturals, for example, 6095 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (2922480).

Almost surely, 2^28488086 is an apocalyptic number.

28488086 is a deficient number, since it is larger than the sum of its proper divisors (18271594).

28488086 is a wasteful number, since it uses less digits than its factorization.

28488086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979.

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 28488086 is about 5337.4231610394. The cubic root of 28488086 is about 305.4131675434.

The spelling of 28488086 in words is "twenty-eight million, four hundred eighty-eight thousand, eighty-six".