9989039 has 2 divisors, whose sum is σ = 9989040. Its totient is φ = 9989038.

The previous prime is 9989027. The next prime is 9989053. The reversal of 9989039 is 9309899.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9989039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9988984 and 9989002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9989059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994519 + 4994520.

It is an arithmetic number, because the mean of its divisors is an integer number (4994520).

Almost surely, 2^9989039 is an apocalyptic number.

9989039 is a deficient number, since it is larger than the sum of its proper divisors (1).

9989039 is an equidigital number, since it uses as much as digits as its factorization.

9989039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 9989039 is about 3160.5440987273. The cubic root of 9989039 is about 215.3647243634.

The spelling of 9989039 in words is "nine million, nine hundred eighty-nine thousand, thirty-nine".