9668431 has 2 divisors, whose sum is σ = 9668432. Its totient is φ = 9668430.

The previous prime is 9668429. The next prime is 9668453. The reversal of 9668431 is 1348669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9668431 - 2¹ = 9668429 is a prime.

It is a super-2 number, since 2×9668431² = 186957116003522, which contains 22 as substring.

Together with 9668429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9668401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4834215 + 4834216.

It is an arithmetic number, because the mean of its divisors is an integer number (4834216).

Almost surely, 2^9668431 is an apocalyptic number.

9668431 is a deficient number, since it is larger than the sum of its proper divisors (1).

9668431 is an equidigital number, since it uses as much as digits as its factorization.

9668431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 9668431 is about 3109.4100726665. The cubic root of 9668431 is about 213.0355102544.

The spelling of 9668431 in words is "nine million, six hundred sixty-eight thousand, four hundred thirty-one".