28487065 has 8 divisors (see below), whose sum is σ = 34257600. Its totient is φ = 22740912.

The previous prime is 28487059. The next prime is 28487083. The reversal of 28487065 is 56078482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28487065 - 2⁵ = 28487033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3415 + ... + 8284.

It is an arithmetic number, because the mean of its divisors is an integer number (4282200).

Almost surely, 2^28487065 is an apocalyptic number.

It is an amenable number.

28487065 is a deficient number, since it is larger than the sum of its proper divisors (5770535).

28487065 is a wasteful number, since it uses less digits than its factorization.

28487065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 28487065 is about 5337.3275147774. The cubic root of 28487065 is about 305.4095188770.

The spelling of 28487065 in words is "twenty-eight million, four hundred eighty-seven thousand, sixty-five".