9910427 has 2 divisors, whose sum is σ = 9910428. Its totient is φ = 9910426.

The previous prime is 9910409. The next prime is 9910429. The reversal of 9910427 is 7240199.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9910427 - 2⁶ = 9910363 is a prime.

Together with 9910429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9910393 and 9910402.

It is not a weakly prime, because it can be changed into another prime (9910429) 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, 4955213 + 4955214.

It is an arithmetic number, because the mean of its divisors is an integer number (4955214).

Almost surely, 2^9910427 is an apocalyptic number.

9910427 is a deficient number, since it is larger than the sum of its proper divisors (1).

9910427 is an equidigital number, since it uses as much as digits as its factorization.

9910427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 9910427 is about 3148.0830675190. The cubic root of 9910427 is about 214.7982748238.

The spelling of 9910427 in words is "nine million, nine hundred ten thousand, four hundred twenty-seven".