9113689 has 8 divisors (see below), whose sum is σ = 9926280. Its totient is φ = 8317056.

The previous prime is 9113639. The next prime is 9113719. The reversal of 9113689 is 9863119.

It can be written as a sum of positive squares in 4 ways, for example, as 233289 + 8880400 = 483^2 + 2980^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9113689 - 2⁷ = 9113561 is a prime.

It is an Ulam number.

9113689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9113609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (1240785).

Almost surely, 2^9113689 is an apocalyptic number.

It is an amenable number.

9113689 is a deficient number, since it is larger than the sum of its proper divisors (812591).

9113689 is a wasteful number, since it uses less digits than its factorization.

9113689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979.

The product of its digits is 11664, while the sum is 37.

The square root of 9113689 is about 3018.8887028176. Note that the first 3 decimals coincide. The cubic root of 9113689 is about 208.8805816428.

It can be divided in two parts, 91136 and 89, that multiplied together give a square (8111104 = 2848²).

The spelling of 9113689 in words is "nine million, one hundred thirteen thousand, six hundred eighty-nine".