28360005 has 16 divisors (see below), whose sum is σ = 46432320. Its totient is φ = 14773248.

The previous prime is 28359977. The next prime is 28360039. The reversal of 28360005 is 50006382.

It is not a de Polignac number, because 28360005 - 2⁹ = 28359493 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, 21340 + ... + 22629.

It is an arithmetic number, because the mean of its divisors is an integer number (2902020).

Almost surely, 2^28360005 is an apocalyptic number.

It is an amenable number.

28360005 is a deficient number, since it is larger than the sum of its proper divisors (18072315).

28360005 is a wasteful number, since it uses less digits than its factorization.

28360005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44020.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28360005 is about 5325.4112517251. The cubic root of 28360005 is about 304.9547724749.

Adding to 28360005 its reverse (50006382), we get a palindrome (78366387).

The spelling of 28360005 in words is "twenty-eight million, three hundred sixty thousand, five".