28046339 has 2 divisors, whose sum is σ = 28046340. Its totient is φ = 28046338.

The previous prime is 28046327. The next prime is 28046353. The reversal of 28046339 is 93364082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28046339 - 2¹² = 28042243 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28046299 and 28046308.

It is not a weakly prime, because it can be changed into another prime (28046539) 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, 14023169 + 14023170.

It is an arithmetic number, because the mean of its divisors is an integer number (14023170).

Almost surely, 2^28046339 is an apocalyptic number.

28046339 is a deficient number, since it is larger than the sum of its proper divisors (1).

28046339 is an equidigital number, since it uses as much as digits as its factorization.

28046339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 28046339 is about 5295.8794359389. The cubic root of 28046339 is about 303.8263197387.

The spelling of 28046339 in words is "twenty-eight million, forty-six thousand, three hundred thirty-nine".