9081400 has 48 divisors (see below), whose sum is σ = 22364640. Its totient is φ = 3417600.

The previous prime is 9081353. The next prime is 9081409. The reversal of 9081400 is 41809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9081409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2065 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (465930).

Almost surely, 2^9081400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9081400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11182320).

9081400 is an abundant number, since it is smaller than the sum of its proper divisors (13283240).

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

9081400 is a wasteful number, since it uses less digits than its factorization.

9081400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 9081400 is about 3013.5361288692. The cubic root of 9081400 is about 208.6336078899.

The spelling of 9081400 in words is "nine million, eighty-one thousand, four hundred".