9000811 has 4 divisors (see below), whose sum is σ = 9008352. Its totient is φ = 8993272.

The previous prime is 9000809. The next prime is 9000821. The reversal of 9000811 is 1180009.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9000811 - 2¹ = 9000809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000821) 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 in 3 ways as a sum of consecutive naturals, for example, 1540 + ... + 4513.

It is an arithmetic number, because the mean of its divisors is an integer number (2252088).

Almost surely, 2^9000811 is an apocalyptic number.

9000811 is a deficient number, since it is larger than the sum of its proper divisors (7541).

9000811 is a wasteful number, since it uses less digits than its factorization.

9000811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 9000811 is about 3000.1351636218. The cubic root of 9000811 is about 208.0146300730.

The spelling of 9000811 in words is "nine million, eight hundred eleven", and thus it is an aban number.