9968919 has 8 divisors (see below), whose sum is σ = 14073840. Its totient is φ = 6254976.

The previous prime is 9968911. The next prime is 9968927. The reversal of 9968919 is 9198699.

It is an interprime number because it is at equal distance from previous prime (9968911) and next prime (9968927).

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

It is not a de Polignac number, because 9968919 - 2³ = 9968911 is a prime.

It is a super-2 number, since 2×9968919² = 198758692057122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 195469 = 9968919 / (9 + 9 + 6 + 8 + 9 + 1 + 9).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97684 + ... + 97785.

It is an arithmetic number, because the mean of its divisors is an integer number (1759230).

Almost surely, 2^9968919 is an apocalyptic number.

9968919 is a deficient number, since it is larger than the sum of its proper divisors (4104921).

9968919 is a wasteful number, since it uses less digits than its factorization.

9968919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195489.

The product of its digits is 314928, while the sum is 51.

The square root of 9968919 is about 3157.3594980616. The cubic root of 9968919 is about 215.2200307382.

The spelling of 9968919 in words is "nine million, nine hundred sixty-eight thousand, nine hundred nineteen".