9090407 has 2 divisors, whose sum is σ = 9090408. Its totient is φ = 9090406.

The previous prime is 9090391. The next prime is 9090437. The reversal of 9090407 is 7040909.

It is a weak prime.

It is an emirp because it is prime and its reverse (7040909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9090407 - 2⁴ = 9090391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9090407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9090437) 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, 4545203 + 4545204.

It is an arithmetic number, because the mean of its divisors is an integer number (4545204).

Almost surely, 2^9090407 is an apocalyptic number.

9090407 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090407 is an equidigital number, since it uses as much as digits as its factorization.

9090407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 9090407 is about 3015.0301822702. The cubic root of 9090407 is about 208.7025598867.

The spelling of 9090407 in words is "nine million, ninety thousand, four hundred seven".