28327583 has 16 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 26339040.

The previous prime is 28327573. The next prime is 28327591. The reversal of 28327583 is 38572382.

It is a cyclic number.

It is not a de Polignac number, because 28327583 - 2⁴ = 28327567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28327553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105173 + ... + 105441.

It is an arithmetic number, because the mean of its divisors is an integer number (1900800).

Almost surely, 2^28327583 is an apocalyptic number.

28327583 is a deficient number, since it is larger than the sum of its proper divisors (2085217).

28327583 is a wasteful number, since it uses less digits than its factorization.

28327583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its digits is 80640, while the sum is 38.

The square root of 28327583 is about 5322.3662970525. The cubic root of 28327583 is about 304.8385170438.

The spelling of 28327583 in words is "twenty-eight million, three hundred twenty-seven thousand, five hundred eighty-three".