9968918 has 8 divisors (see below), whose sum is σ = 15435840. Its totient is φ = 4823640.

The previous prime is 9968911. The next prime is 9968927. The reversal of 9968918 is 8198699.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80333 + ... + 80456.

It is an arithmetic number, because the mean of its divisors is an integer number (1929480).

Almost surely, 2^9968918 is an apocalyptic number.

9968918 is a deficient number, since it is larger than the sum of its proper divisors (5466922).

9968918 is a wasteful number, since it uses less digits than its factorization.

9968918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160822.

The product of its digits is 279936, while the sum is 50.

The square root of 9968918 is about 3157.3593397015. The cubic root of 9968918 is about 215.2200235419.

The spelling of 9968918 in words is "nine million, nine hundred sixty-eight thousand, nine hundred eighteen".