9900907 has 2 divisors, whose sum is σ = 9900908. Its totient is φ = 9900906.

The previous prime is 9900893. The next prime is 9900923. The reversal of 9900907 is 7090099.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9900907 - 2¹¹ = 9898859 is a prime.

It is not a weakly prime, because it can be changed into another prime (9907907) 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, 4950453 + 4950454.

It is an arithmetic number, because the mean of its divisors is an integer number (4950454).

Almost surely, 2^9900907 is an apocalyptic number.

9900907 is a deficient number, since it is larger than the sum of its proper divisors (1).

9900907 is an equidigital number, since it uses as much as digits as its factorization.

9900907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 9900907 is about 3146.5706729708. The cubic root of 9900907 is about 214.7294740648.

The spelling of 9900907 in words is "nine million, nine hundred thousand, nine hundred seven".