9764621 has 2 divisors, whose sum is σ = 9764622. Its totient is φ = 9764620.

The previous prime is 9764617. The next prime is 9764641. The reversal of 9764621 is 1264679.

9764621 is digitally balanced in base 3, 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., 4972900 + 4791721 = 2230^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 9764621 - 2² = 9764617 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9764641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4882310 + 4882311.

It is an arithmetic number, because the mean of its divisors is an integer number (4882311).

Almost surely, 2^9764621 is an apocalyptic number.

It is an amenable number.

9764621 is a deficient number, since it is larger than the sum of its proper divisors (1).

9764621 is an equidigital number, since it uses as much as digits as its factorization.

9764621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 9764621 is about 3124.8393558710. The cubic root of 9764621 is about 213.7396680026.

The spelling of 9764621 in words is "nine million, seven hundred sixty-four thousand, six hundred twenty-one".