9698239 has 2 divisors, whose sum is σ = 9698240. Its totient is φ = 9698238.

The previous prime is 9698237. The next prime is 9698251. The reversal of 9698239 is 9328969.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9698239 - 2¹ = 9698237 is a prime.

It is a super-2 number, since 2×9698239² = 188111679402242, which contains 22 as substring.

Together with 9698237, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9698233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4849119 + 4849120.

It is an arithmetic number, because the mean of its divisors is an integer number (4849120).

Almost surely, 2^9698239 is an apocalyptic number.

9698239 is a deficient number, since it is larger than the sum of its proper divisors (1).

9698239 is an equidigital number, since it uses as much as digits as its factorization.

9698239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 46.

The square root of 9698239 is about 3114.1995761351. The cubic root of 9698239 is about 213.2542168106.

The spelling of 9698239 in words is "nine million, six hundred ninety-eight thousand, two hundred thirty-nine".