9040889 has 16 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 7138560.

The previous prime is 9040883. The next prime is 9040891. The reversal of 9040889 is 9880409.

It is a de Polignac number, because none of the positive numbers 2^k-9040889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9040883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^9040889 is an apocalyptic number.

It is an amenable number.

9040889 is a deficient number, since it is larger than the sum of its proper divisors (2208391).

9040889 is a wasteful number, since it uses less digits than its factorization.

9040889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9040889 is about 3006.8071105410. The cubic root of 9040889 is about 208.3229158880.

The spelling of 9040889 in words is "nine million, forty thousand, eight hundred eighty-nine".