9986407 has 2 divisors, whose sum is σ = 9986408. Its totient is φ = 9986406.

The previous prime is 9986377. The next prime is 9986413. The reversal of 9986407 is 7046899.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9986407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9986467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4993203 + 4993204.

It is an arithmetic number, because the mean of its divisors is an integer number (4993204).

Almost surely, 2^9986407 is an apocalyptic number.

9986407 is a deficient number, since it is larger than the sum of its proper divisors (1).

9986407 is an equidigital number, since it uses as much as digits as its factorization.

9986407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9986407 is about 3160.1276872937. The cubic root of 9986407 is about 215.3458073035.

The spelling of 9986407 in words is "nine million, nine hundred eighty-six thousand, four hundred seven".