9690641 has 2 divisors, whose sum is σ = 9690642. Its totient is φ = 9690640.

The previous prime is 9690623. The next prime is 9690671. The reversal of 9690641 is 1460969.

9690641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 1164241 = 2920^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 9690641 - 2¹⁴ = 9674257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9690671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845320 + 4845321.

It is an arithmetic number, because the mean of its divisors is an integer number (4845321).

Almost surely, 2^9690641 is an apocalyptic number.

It is an amenable number.

9690641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9690641 is an equidigital number, since it uses as much as digits as its factorization.

9690641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9690641 is about 3112.9794409858. The cubic root of 9690641 is about 213.1985115476.

The spelling of 9690641 in words is "nine million, six hundred ninety thousand, six hundred forty-one".