9090489 has 4 divisors (see below), whose sum is σ = 12120656. Its totient is φ = 6060324.

The previous prime is 9090463. The next prime is 9090503. The reversal of 9090489 is 9840909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9090489 - 2²³ = 701881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9090449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515079 + ... + 1515084.

It is an arithmetic number, because the mean of its divisors is an integer number (3030164).

Almost surely, 2^9090489 is an apocalyptic number.

It is an amenable number.

9090489 is a deficient number, since it is larger than the sum of its proper divisors (3030167).

9090489 is a wasteful number, since it uses less digits than its factorization.

9090489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030166.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9090489 is about 3015.0437807767. The cubic root of 9090489 is about 208.7031874185.

The spelling of 9090489 in words is "nine million, ninety thousand, four hundred eighty-nine".