9859559 has 2 divisors, whose sum is σ = 9859560. Its totient is φ = 9859558.

The previous prime is 9859547. The next prime is 9859567. The reversal of 9859559 is 9559589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9859559 - 2⁴ = 9859543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9859579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4929779 + 4929780.

It is an arithmetic number, because the mean of its divisors is an integer number (4929780).

Almost surely, 2^9859559 is an apocalyptic number.

9859559 is a deficient number, since it is larger than the sum of its proper divisors (1).

9859559 is an equidigital number, since it uses as much as digits as its factorization.

9859559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 729000, while the sum is 50.

The square root of 9859559 is about 3139.9934713308. The cubic root of 9859559 is about 214.4301404566.

The spelling of 9859559 in words is "nine million, eight hundred fifty-nine thousand, five hundred fifty-nine".