28955593 has 2 divisors, whose sum is σ = 28955594. Its totient is φ = 28955592.

The previous prime is 28955569. The next prime is 28955599. The reversal of 28955593 is 39555982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26904969 + 2050624 = 5187^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 28955593 - 2⁹ = 28955081 is a prime.

It is not a weakly prime, because it can be changed into another prime (28955599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14477796 + 14477797.

It is an arithmetic number, because the mean of its divisors is an integer number (14477797).

Almost surely, 2^28955593 is an apocalyptic number.

It is an amenable number.

28955593 is a deficient number, since it is larger than the sum of its proper divisors (1).

28955593 is an equidigital number, since it uses as much as digits as its factorization.

28955593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 46.

The square root of 28955593 is about 5381.0401410880. The cubic root of 28955593 is about 307.0747836363.

The spelling of 28955593 in words is "twenty-eight million, nine hundred fifty-five thousand, five hundred ninety-three".