9813489 has 16 divisors (see below), whose sum is σ = 15011712. Its totient is φ = 5586048.

The previous prime is 9813487. The next prime is 9813491. The reversal of 9813489 is 9843189.

It is an interprime number because it is at equal distance from previous prime (9813487) and next prime (9813491).

It is not a de Polignac number, because 9813489 - 2¹ = 9813487 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9813489.

It is not an unprimeable number, because it can be changed into a prime (9813487) 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, 5827 + ... + 7319.

It is an arithmetic number, because the mean of its divisors is an integer number (938232).

Almost surely, 2^9813489 is an apocalyptic number.

It is an amenable number.

9813489 is a deficient number, since it is larger than the sum of its proper divisors (5198223).

9813489 is a wasteful number, since it uses less digits than its factorization.

9813489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its digits is 62208, while the sum is 42.

The square root of 9813489 is about 3132.6488791437. The cubic root of 9813489 is about 214.0956351889.

The spelling of 9813489 in words is "nine million, eight hundred thirteen thousand, four hundred eighty-nine".