28296205 has 16 divisors (see below), whose sum is σ = 38937600. Its totient is φ = 19337472.

The previous prime is 28296179. The next prime is 28296221. The reversal of 28296205 is 50269282.

It is not a de Polignac number, because 28296205 - 2¹⁹ = 27771917 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 10596 + ... + 12994.

It is an arithmetic number, because the mean of its divisors is an integer number (2433600).

Almost surely, 2^28296205 is an apocalyptic number.

It is an amenable number.

28296205 is a deficient number, since it is larger than the sum of its proper divisors (10641395).

28296205 is a wasteful number, since it uses less digits than its factorization.

28296205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28296205 is about 5319.4177312935. The cubic root of 28296205 is about 304.7259205813.

The spelling of 28296205 in words is "twenty-eight million, two hundred ninety-six thousand, two hundred five".