9081200 has 60 divisors (see below), whose sum is σ = 22187568. Its totient is φ = 3571200.

The previous prime is 9081181. The next prime is 9081203. The reversal of 9081200 is 21809.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9081203) 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, 29045 + ... + 29355.

Almost surely, 2^9081200 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 9081200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11093784).

9081200 is an abundant number, since it is smaller than the sum of its proper divisors (13106368).

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

9081200 is a wasteful number, since it uses less digits than its factorization.

9081200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 9081200 is about 3013.5029450790. The cubic root of 9081200 is about 208.6320762968.

The spelling of 9081200 in words is "nine million, eighty-one thousand, two hundred".