9081040 has 20 divisors (see below), whose sum is σ = 21113604. Its totient is φ = 3632384.

The previous prime is 9081001. The next prime is 9081071. The reversal of 9081040 is 401809.

It can be written as a sum of positive squares in 2 ways, for example, as 5363856 + 3717184 = 2316^2 + 1928^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56677 + ... + 56836.

Almost surely, 2^9081040 is an apocalyptic number.

It is an amenable number.

9081040 is an abundant number, since it is smaller than the sum of its proper divisors (12032564).

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

9081040 is a wasteful number, since it uses less digits than its factorization.

9081040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113526 (or 113520 counting only the distinct ones).

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

The square root of 9081040 is about 3013.4763977838. The cubic root of 9081040 is about 208.6308510062.

Adding to 9081040 its reverse (401809), we get a palindrome (9482849).

The spelling of 9081040 in words is "nine million, eighty-one thousand, forty".