9668842 has 4 divisors (see below), whose sum is σ = 14503266. Its totient is φ = 4834420.

The previous prime is 9668833. The next prime is 9668873. The reversal of 9668842 is 2488669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2488669 = 23 ⋅108203.

It can be written as a sum of positive squares in only one way, i.e., 7733961 + 1934881 = 2781^2 + 1391^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2417209 + ... + 2417212.

Almost surely, 2^9668842 is an apocalyptic number.

9668842 is a deficient number, since it is larger than the sum of its proper divisors (4834424).

9668842 is a wasteful number, since it uses less digits than its factorization.

9668842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834423.

The product of its digits is 165888, while the sum is 43.

The square root of 9668842 is about 3109.4761616710. The cubic root of 9668842 is about 213.0385288880.

The spelling of 9668842 in words is "nine million, six hundred sixty-eight thousand, eight hundred forty-two".