289089347 has 2 divisors, whose sum is σ = 289089348. Its totient is φ = 289089346.

The previous prime is 289089343. The next prime is 289089373. The reversal of 289089347 is 743980982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289089347 - 2² = 289089343 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 289089295 and 289089304.

It is not a weakly prime, because it can be changed into another prime (289089341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144544673 + 144544674.

It is an arithmetic number, because the mean of its divisors is an integer number (144544674).

Almost surely, 2^289089347 is an apocalyptic number.

289089347 is a deficient number, since it is larger than the sum of its proper divisors (1).

289089347 is an equidigital number, since it uses as much as digits as its factorization.

289089347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 289089347 is about 17002.6276498664. The cubic root of 289089347 is about 661.2170282408.

The spelling of 289089347 in words is "two hundred eighty-nine million, eighty-nine thousand, three hundred forty-seven".