289430039 has 2 divisors, whose sum is σ = 289430040. Its totient is φ = 289430038.

The previous prime is 289430027. The next prime is 289430051. The reversal of 289430039 is 930034982.

It is a balanced prime because it is at equal distance from previous prime (289430027) and next prime (289430051).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289430039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289429984 and 289430011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289430839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144715019 + 144715020.

It is an arithmetic number, because the mean of its divisors is an integer number (144715020).

Almost surely, 2^289430039 is an apocalyptic number.

289430039 is a deficient number, since it is larger than the sum of its proper divisors (1).

289430039 is an equidigital number, since it uses as much as digits as its factorization.

289430039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 289430039 is about 17012.6435041707. The cubic root of 289430039 is about 661.4766745149.

The spelling of 289430039 in words is "two hundred eighty-nine million, four hundred thirty thousand, thirty-nine".