9684457 has 2 divisors, whose sum is σ = 9684458. Its totient is φ = 9684456.

The previous prime is 9684443. The next prime is 9684461. The reversal of 9684457 is 7544869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 80656 = 3099^2 + 284^2 .

It is an emirp because it is prime and its reverse (7544869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9684457 - 2¹⁵ = 9651689 is a prime.

It is not a weakly prime, because it can be changed into another prime (9684427) 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 as a sum of consecutive naturals, namely, 4842228 + 4842229.

It is an arithmetic number, because the mean of its divisors is an integer number (4842229).

Almost surely, 2^9684457 is an apocalyptic number.

It is an amenable number.

9684457 is a deficient number, since it is larger than the sum of its proper divisors (1).

9684457 is an equidigital number, since it uses as much as digits as its factorization.

9684457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 9684457 is about 3111.9860218195. The cubic root of 9684457 is about 213.1531516262.

The spelling of 9684457 in words is "nine million, six hundred eighty-four thousand, four hundred fifty-seven".