28795005 has 24 divisors (see below), whose sum is σ = 50038560. Its totient is φ = 15318240.

The previous prime is 28795003. The next prime is 28795007. The reversal of 28795005 is 50059782.

It is an interprime number because it is at equal distance from previous prime (28795003) and next prime (28795007).

It is not a de Polignac number, because 28795005 - 2¹ = 28795003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28795003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29170 + ... + 30140.

It is an arithmetic number, because the mean of its divisors is an integer number (2084940).

Almost surely, 2^28795005 is an apocalyptic number.

It is an amenable number.

28795005 is a deficient number, since it is larger than the sum of its proper divisors (21243555).

28795005 is a wasteful number, since it uses less digits than its factorization.

28795005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 28795005 is about 5366.0977441713. The cubic root of 28795005 is about 306.5060510272.

The spelling of 28795005 in words is "twenty-eight million, seven hundred ninety-five thousand, five".