28234793 has 2 divisors, whose sum is σ = 28234794. Its totient is φ = 28234792.

The previous prime is 28234763. The next prime is 28234819. The reversal of 28234793 is 39743282.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18550249 + 9684544 = 4307^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 28234793 - 2⁶ = 28234729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28234763) 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, 14117396 + 14117397.

It is an arithmetic number, because the mean of its divisors is an integer number (14117397).

Almost surely, 2^28234793 is an apocalyptic number.

It is an amenable number.

28234793 is a deficient number, since it is larger than the sum of its proper divisors (1).

28234793 is an equidigital number, since it uses as much as digits as its factorization.

28234793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 28234793 is about 5313.6421595738. The cubic root of 28234793 is about 304.5053093373.

The spelling of 28234793 in words is "twenty-eight million, two hundred thirty-four thousand, seven hundred ninety-three".