28337339 has 2 divisors, whose sum is σ = 28337340. Its totient is φ = 28337338.

The previous prime is 28337299. The next prime is 28337363. The reversal of 28337339 is 93373382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28337339 - 2¹² = 28333243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28337399) 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, 14168669 + 14168670.

It is an arithmetic number, because the mean of its divisors is an integer number (14168670).

Almost surely, 2^28337339 is an apocalyptic number.

28337339 is a deficient number, since it is larger than the sum of its proper divisors (1).

28337339 is an equidigital number, since it uses as much as digits as its factorization.

28337339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 28337339 is about 5323.2827277912. The cubic root of 28337339 is about 304.8735084186.

The spelling of 28337339 in words is "twenty-eight million, three hundred thirty-seven thousand, three hundred thirty-nine".