9688145 has 4 divisors (see below), whose sum is σ = 11625780. Its totient is φ = 7750512.

The previous prime is 9688141. The next prime is 9688169. The reversal of 9688145 is 5418869.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4231249 + 5456896 = 2057^2 + 2336^2 .

It is a cyclic number.

It is not a de Polignac number, because 9688145 - 2² = 9688141 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9688141) 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 3 ways as a sum of consecutive naturals, for example, 968810 + ... + 968819.

It is an arithmetic number, because the mean of its divisors is an integer number (2906445).

Almost surely, 2^9688145 is an apocalyptic number.

It is an amenable number.

9688145 is a deficient number, since it is larger than the sum of its proper divisors (1937635).

9688145 is a wasteful number, since it uses less digits than its factorization.

9688145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937634.

The product of its digits is 69120, while the sum is 41.

The square root of 9688145 is about 3112.5785130660. The cubic root of 9688145 is about 213.1802055973.

The spelling of 9688145 in words is "nine million, six hundred eighty-eight thousand, one hundred forty-five".