28036535 has 8 divisors (see below), whose sum is σ = 33677856. Its totient is φ = 22406560.

The previous prime is 28036529. The next prime is 28036549. The reversal of 28036535 is 53563082.

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

It is not a de Polignac number, because 28036535 - 2⁸ = 28036279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4190 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (4209732).

Almost surely, 2^28036535 is an apocalyptic number.

28036535 is a deficient number, since it is larger than the sum of its proper divisors (5641321).

28036535 is a wasteful number, since it uses less digits than its factorization.

28036535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 28036535 is about 5294.9537297317. The cubic root of 28036535 is about 303.7909133304.

The spelling of 28036535 in words is "twenty-eight million, thirty-six thousand, five hundred thirty-five".