28584029 has 2 divisors, whose sum is σ = 28584030. Its totient is φ = 28584028.

The previous prime is 28584019. The next prime is 28584043. The reversal of 28584029 is 92048582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25351225 + 3232804 = 5035^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 28584029 - 2⁸ = 28583773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28583983 and 28584001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28584019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14292014 + 14292015.

It is an arithmetic number, because the mean of its divisors is an integer number (14292015).

Almost surely, 2^28584029 is an apocalyptic number.

It is an amenable number.

28584029 is a deficient number, since it is larger than the sum of its proper divisors (1).

28584029 is an equidigital number, since it uses as much as digits as its factorization.

28584029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28584029 is about 5346.4033704912. The cubic root of 28584029 is about 305.7556431307.

The spelling of 28584029 in words is "twenty-eight million, five hundred eighty-four thousand, twenty-nine".