28835473 has 2 divisors, whose sum is σ = 28835474. Its totient is φ = 28835472.

The previous prime is 28835449. The next prime is 28835489. The reversal of 28835473 is 37453882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25331089 + 3504384 = 5033^2 + 1872^2 .

It is a cyclic number.

It is not a de Polignac number, because 28835473 - 2⁵ = 28835441 is a prime.

It is not a weakly prime, because it can be changed into another prime (28833473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417736 + 14417737.

It is an arithmetic number, because the mean of its divisors is an integer number (14417737).

Almost surely, 2^28835473 is an apocalyptic number.

It is an amenable number.

28835473 is a deficient number, since it is larger than the sum of its proper divisors (1).

28835473 is an equidigital number, since it uses as much as digits as its factorization.

28835473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 28835473 is about 5369.8671305722. The cubic root of 28835473 is about 306.6495699091.

The spelling of 28835473 in words is "twenty-eight million, eight hundred thirty-five thousand, four hundred seventy-three".