9994331 has 2 divisors, whose sum is σ = 9994332. Its totient is φ = 9994330.

The previous prime is 9994321. The next prime is 9994333. The reversal of 9994331 is 1334999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9994331 - 2¹⁸ = 9732187 is a prime.

It is a super-2 number, since 2×9994331² = 199773304275122, which contains 22 as substring.

Together with 9994333, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (9994333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997165 + 4997166.

It is an arithmetic number, because the mean of its divisors is an integer number (4997166).

Almost surely, 2^9994331 is an apocalyptic number.

9994331 is a deficient number, since it is larger than the sum of its proper divisors (1).

9994331 is an equidigital number, since it uses as much as digits as its factorization.

9994331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 38.

The square root of 9994331 is about 3161.3811854947. The cubic root of 9994331 is about 215.4027496734.

The spelling of 9994331 in words is "nine million, nine hundred ninety-four thousand, three hundred thirty-one".