9099805 has 36 divisors (see below), whose sum is σ = 13143060. Its totient is φ = 6040320.

The previous prime is 9099799. The next prime is 9099809. The reversal of 9099805 is 5089909.

9099805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3136441 + 5963364 = 1771^2 + 2442^2 .

It is not a de Polignac number, because 9099805 - 2¹¹ = 9097757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9099809) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102201 + ... + 102289.

It is an arithmetic number, because the mean of its divisors is an integer number (365085).

Almost surely, 2^9099805 is an apocalyptic number.

It is an amenable number.

9099805 is a deficient number, since it is larger than the sum of its proper divisors (4043255).

9099805 is a wasteful number, since it uses less digits than its factorization.

9099805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 9099805 is about 3016.5883046912. The cubic root of 9099805 is about 208.7744565989.

The spelling of 9099805 in words is "nine million, ninety-nine thousand, eight hundred five".