9689913 has 6 divisors (see below), whose sum is σ = 13996554. Its totient is φ = 6459936.

The previous prime is 9689891. The next prime is 9689929. The reversal of 9689913 is 3199869.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 4613904 = 2253^2 + 2148^2 .

It is not a de Polignac number, because 9689913 - 2⁹ = 9689401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9689993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538320 + ... + 538337.

It is an arithmetic number, because the mean of its divisors is an integer number (2332759).

Almost surely, 2^9689913 is an apocalyptic number.

It is an amenable number.

9689913 is a deficient number, since it is larger than the sum of its proper divisors (4306641).

9689913 is a wasteful number, since it uses less digits than its factorization.

9689913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076663 (or 1076660 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 9689913 is about 3112.8625090100. The cubic root of 9689913 is about 213.1931726368.

It can be divided in two parts, 96 and 89913, that added together give a palindrome (90009).

The spelling of 9689913 in words is "nine million, six hundred eighty-nine thousand, nine hundred thirteen".