9968427 has 20 divisors (see below), whose sum is σ = 17019376. Its totient is φ = 5695920.

The previous prime is 9968423. The next prime is 9968449. The reversal of 9968427 is 7248699.

It is a happy number.

It is not a de Polignac number, because 9968427 - 2² = 9968423 is a prime.

It is a Duffinian number.

9968427 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9968423) 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 19 ways as a sum of consecutive naturals, for example, 8224 + ... + 9357.

Almost surely, 2^9968427 is an apocalyptic number.

9968427 is a deficient number, since it is larger than the sum of its proper divisors (7050949).

9968427 is a wasteful number, since it uses less digits than its factorization.

9968427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17600 (or 17591 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 9968427 is about 3157.2815838946. The cubic root of 9968427 is about 215.2164900669.

The spelling of 9968427 in words is "nine million, nine hundred sixty-eight thousand, four hundred twenty-seven".