9967923 has 24 divisors (see below), whose sum is σ = 16796000. Its totient is φ = 5694192.

The previous prime is 9967891. The next prime is 9967987. The reversal of 9967923 is 3297699.

It is not a de Polignac number, because 9967923 - 2⁵ = 9967891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9967123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1473 + ... + 4701.

Almost surely, 2^9967923 is an apocalyptic number.

9967923 is a deficient number, since it is larger than the sum of its proper divisors (6828077).

9967923 is a wasteful number, since it uses less digits than its factorization.

9967923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256 (or 3239 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 9967923 is about 3157.2017673883. The cubic root of 9967923 is about 215.2128629169.

The spelling of 9967923 in words is "nine million, nine hundred sixty-seven thousand, nine hundred twenty-three".