9712489 has 2 divisors, whose sum is σ = 9712490. Its totient is φ = 9712488.

The previous prime is 9712459. The next prime is 9712499. The reversal of 9712489 is 9842179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9211225 + 501264 = 3035^2 + 708^2 .

It is an emirp because it is prime and its reverse (9842179) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9712489 is a prime.

It is not a weakly prime, because it can be changed into another prime (9712459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856244 + 4856245.

It is an arithmetic number, because the mean of its divisors is an integer number (4856245).

Almost surely, 2^9712489 is an apocalyptic number.

It is an amenable number.

9712489 is a deficient number, since it is larger than the sum of its proper divisors (1).

9712489 is an equidigital number, since it uses as much as digits as its factorization.

9712489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 9712489 is about 3116.4866436422. The cubic root of 9712489 is about 213.3586132694.

It can be divided in two parts, 9712 and 489, that added together give a palindrome (10201).

The spelling of 9712489 in words is "nine million, seven hundred twelve thousand, four hundred eighty-nine".