28283743 has 2 divisors, whose sum is σ = 28283744. Its totient is φ = 28283742.

The previous prime is 28283741. The next prime is 28283753. The reversal of 28283743 is 34738282.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28283743 - 2¹ = 28283741 is a prime.

Together with 28283741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28283741) 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, 14141871 + 14141872.

It is an arithmetic number, because the mean of its divisors is an integer number (14141872).

Almost surely, 2^28283743 is an apocalyptic number.

28283743 is a deficient number, since it is larger than the sum of its proper divisors (1).

28283743 is an equidigital number, since it uses as much as digits as its factorization.

28283743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 28283743 is about 5318.2462334871. The cubic root of 28283743 is about 304.6811789861.

The spelling of 28283743 in words is "twenty-eight million, two hundred eighty-three thousand, seven hundred forty-three".