9085820 has 24 divisors (see below), whose sum is σ = 20203344. Its totient is φ = 3420416.

The previous prime is 9085793. The next prime is 9085829. The reversal of 9085820 is 285809.

9085820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9085829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13022 + ... + 13701.

It is an arithmetic number, because the mean of its divisors is an integer number (841806).

Almost surely, 2^9085820 is an apocalyptic number.

It is an amenable number.

9085820 is an abundant number, since it is smaller than the sum of its proper divisors (11117524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9085820 is a wasteful number, since it uses less digits than its factorization.

9085820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26749 (or 26747 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 9085820 is about 3014.2693973831. The cubic root of 9085820 is about 208.6674503583.

The spelling of 9085820 in words is "nine million, eighty-five thousand, eight hundred twenty".