9816489 has 6 divisors (see below), whose sum is σ = 14179386. Its totient is φ = 6544320.

The previous prime is 9816481. The next prime is 9816517. The reversal of 9816489 is 9846189.

9816489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 1172889 = 2940^2 + 1083^2 .

It is not a de Polignac number, because 9816489 - 2³ = 9816481 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9816481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 545352 + ... + 545369.

It is an arithmetic number, because the mean of its divisors is an integer number (2363231).

Almost surely, 2^9816489 is an apocalyptic number.

It is an amenable number.

9816489 is a deficient number, since it is larger than the sum of its proper divisors (4362897).

9816489 is a wasteful number, since it uses less digits than its factorization.

9816489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090727 (or 1090724 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9816489 is about 3133.1276705554. The cubic root of 9816489 is about 214.1174494308.

The spelling of 9816489 in words is "nine million, eight hundred sixteen thousand, four hundred eighty-nine".