9659943 has 12 divisors (see below), whose sum is σ = 14092728. Its totient is φ = 6375600.

The previous prime is 9659921. The next prime is 9659953. The reversal of 9659943 is 3499569.

It is a happy number.

9659943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9659943 - 2⁵ = 9659911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9659953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4405 + ... + 6222.

It is an arithmetic number, because the mean of its divisors is an integer number (1174394).

Almost surely, 2^9659943 is an apocalyptic number.

9659943 is a deficient number, since it is larger than the sum of its proper divisors (4432785).

9659943 is a wasteful number, since it uses less digits than its factorization.

9659943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10734 (or 10731 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 9659943 is about 3108.0448838458. The cubic root of 9659943 is about 212.9731500904.

It can be divided in two parts, 965994 and 3, that multiplied together give a palindrome (2897982).

The spelling of 9659943 in words is "nine million, six hundred fifty-nine thousand, nine hundred forty-three".