28036355 has 4 divisors (see below), whose sum is σ = 33643632. Its totient is φ = 22429080.

The previous prime is 28036313. The next prime is 28036361. The reversal of 28036355 is 55363082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55363082 = 2 ⋅27681541.

It is not a de Polignac number, because 28036355 - 2¹⁰ = 28035331 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 2803631 + ... + 2803640.

It is an arithmetic number, because the mean of its divisors is an integer number (8410908).

Almost surely, 2^28036355 is an apocalyptic number.

28036355 is a deficient number, since it is larger than the sum of its proper divisors (5607277).

28036355 is an equidigital number, since it uses as much as digits as its factorization.

28036355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607276.

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

The square root of 28036355 is about 5294.9367323888. The cubic root of 28036355 is about 303.7902631968.

The spelling of 28036355 in words is "twenty-eight million, thirty-six thousand, three hundred fifty-five".