28035473 has 2 divisors, whose sum is σ = 28035474. Its totient is φ = 28035472.

The previous prime is 28035461. The next prime is 28035493. The reversal of 28035473 is 37453082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27636049 + 399424 = 5257^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 28035473 - 2⁴ = 28035457 is a prime.

It is not a weakly prime, because it can be changed into another prime (28035493) by changing a digit.

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 as a sum of consecutive naturals, namely, 14017736 + 14017737.

It is an arithmetic number, because the mean of its divisors is an integer number (14017737).

Almost surely, 2^28035473 is an apocalyptic number.

It is an amenable number.

28035473 is a deficient number, since it is larger than the sum of its proper divisors (1).

28035473 is an equidigital number, since it uses as much as digits as its factorization.

28035473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 28035473 is about 5294.8534446196. The cubic root of 28035473 is about 303.7870775018.

It can be divided in two parts, 280 and 35473, that added together give a palindrome (35753).

The spelling of 28035473 in words is "twenty-eight million, thirty-five thousand, four hundred seventy-three".