9090811 has 2 divisors, whose sum is σ = 9090812. Its totient is φ = 9090810.

The previous prime is 9090793. The next prime is 9090821. The reversal of 9090811 is 1180909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9090811 - 2¹¹ = 9088763 is a prime.

9090811 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9090811.

It is not a weakly prime, because it can be changed into another prime (9090821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545405 + 4545406.

It is an arithmetic number, because the mean of its divisors is an integer number (4545406).

Almost surely, 2^9090811 is an apocalyptic number.

9090811 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090811 is an equidigital number, since it uses as much as digits as its factorization.

9090811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 9090811 is about 3015.0971791967. The cubic root of 9090811 is about 208.7056515923.

The spelling of 9090811 in words is "nine million, ninety thousand, eight hundred eleven".