9689720 has 16 divisors (see below), whose sum is σ = 21801960. Its totient is φ = 3875872.

The previous prime is 9689717. The next prime is 9689731. The reversal of 9689720 is 279869.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121082 + ... + 121161.

Almost surely, 2^9689720 is an apocalyptic number.

It is an amenable number.

9689720 is an abundant number, since it is smaller than the sum of its proper divisors (12112240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9689720 is a wasteful number, since it uses less digits than its factorization.

9689720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242254 (or 242250 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 9689720 is about 3112.8315084501. The cubic root of 9689720 is about 213.1917571939.

The spelling of 9689720 in words is "nine million, six hundred eighty-nine thousand, seven hundred twenty".