9968997 has 8 divisors (see below), whose sum is σ = 13490656. Its totient is φ = 6546672.

The previous prime is 9968971. The next prime is 9969023. The reversal of 9968997 is 7998699.

It is an interprime number because it is at equal distance from previous prime (9968971) and next prime (9969023).

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

It is not a de Polignac number, because 9968997 - 2⁸ = 9968741 is a prime.

It is a Duffinian number.

9968997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968927) 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, 24598 + ... + 24999.

It is an arithmetic number, because the mean of its divisors is an integer number (1686332).

Almost surely, 2^9968997 is an apocalyptic number.

It is an amenable number.

9968997 is a deficient number, since it is larger than the sum of its proper divisors (3521659).

9968997 is a wasteful number, since it uses less digits than its factorization.

9968997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49667.

The product of its digits is 2204496, while the sum is 57.

The square root of 9968997 is about 3157.3718501311. The cubic root of 9968997 is about 215.2205920535.

It can be divided in two parts, 99 and 68997, that added together give a palindrome (69096).

The spelling of 9968997 in words is "nine million, nine hundred sixty-eight thousand, nine hundred ninety-seven".