9732649 has 2 divisors, whose sum is σ = 9732650. Its totient is φ = 9732648.

The previous prime is 9732647. The next prime is 9732659. The reversal of 9732649 is 9462379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7601049 + 2131600 = 2757^2 + 1460^2 .

It is an emirp because it is prime and its reverse (9462379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9732649 - 2¹ = 9732647 is a prime.

Together with 9732647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9732647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4866324 + 4866325.

It is an arithmetic number, because the mean of its divisors is an integer number (4866325).

Almost surely, 2^9732649 is an apocalyptic number.

It is an amenable number.

9732649 is a deficient number, since it is larger than the sum of its proper divisors (1).

9732649 is an equidigital number, since it uses as much as digits as its factorization.

9732649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 9732649 is about 3119.7193784057. The cubic root of 9732649 is about 213.5061325107.

The spelling of 9732649 in words is "nine million, seven hundred thirty-two thousand, six hundred forty-nine".