9689994 has 12 divisors (see below), whose sum is σ = 20995026. Its totient is φ = 3229992.

The previous prime is 9689993. The next prime is 9690029. The reversal of 9689994 is 4999869.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9381969 + 308025 = 3063^2 + 555^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9689994.

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

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 5 ways as a sum of consecutive naturals, for example, 269149 + ... + 269184.

Almost surely, 2^9689994 is an apocalyptic number.

9689994 is an abundant number, since it is smaller than the sum of its proper divisors (11305032).

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

9689994 is a wasteful number, since it uses less digits than its factorization.

9689994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538341 (or 538338 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 9689994 is about 3112.8755195157. The cubic root of 9689994 is about 213.1937666772.

The spelling of 9689994 in words is "nine million, six hundred eighty-nine thousand, nine hundred ninety-four".