9679489 has 2 divisors, whose sum is σ = 9679490. Its totient is φ = 9679488.

The previous prime is 9679469. The next prime is 9679513. The reversal of 9679489 is 9849769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 119025 = 3092^2 + 345^2 .

It is an emirp because it is prime and its reverse (9849769) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9679489 - 2⁵ = 9679457 is a prime.

It is a super-2 number, since 2×9679489² = 187385014602242, which contains 22 as substring.

9679489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9679469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4839744 + 4839745.

It is an arithmetic number, because the mean of its divisors is an integer number (4839745).

Almost surely, 2^9679489 is an apocalyptic number.

It is an amenable number.

9679489 is a deficient number, since it is larger than the sum of its proper divisors (1).

9679489 is an equidigital number, since it uses as much as digits as its factorization.

9679489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 9679489 is about 3111.1877153267. The cubic root of 9679489 is about 213.1166971307.

The spelling of 9679489 in words is "nine million, six hundred seventy-nine thousand, four hundred eighty-nine".