9790641 has 27 divisors (see below), whose sum is σ = 16562091. Its totient is φ = 5557104.

The previous prime is 9790639. The next prime is 9790667. The reversal of 9790641 is 1460979.

The square root of 9790641 is 3129.

It is a perfect power (a square), and thus also a powerful number.

9790641 is a `hidden beast` number, since 9 + 7 + 9 + 0 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 8643600 = 1071^2 + 2940^2 .

It is not a de Polignac number, because 9790641 - 2¹ = 9790639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9790596 and 9790605.

It is not an unprimeable number, because it can be changed into a prime (9790621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 65635 + ... + 65783.

Almost surely, 2^9790641 is an apocalyptic number.

9790641 is the 3129-th square number.

9790641 is the 1565-th centered octagonal number.

It is an amenable number.

9790641 is a deficient number, since it is larger than the sum of its proper divisors (6771450).

9790641 is a wasteful number, since it uses less digits than its factorization.

9790641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The cubic root of 9790641 is about 213.9293518796.

Multiplying 9790641 by its sum of digits (36), we get a square (352463076 = 18774²).

The spelling of 9790641 in words is "nine million, seven hundred ninety thousand, six hundred forty-one".