9923973 has 16 divisors (see below), whose sum is σ = 13594560. Its totient is φ = 6437376.

The previous prime is 9923941. The next prime is 9923981. The reversal of 9923973 is 3793299.

It is not a de Polignac number, because 9923973 - 2⁵ = 9923941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19243 + ... + 19751.

It is an arithmetic number, because the mean of its divisors is an integer number (849660).

Almost surely, 2^9923973 is an apocalyptic number.

It is an amenable number.

9923973 is a deficient number, since it is larger than the sum of its proper divisors (3670587).

9923973 is a wasteful number, since it uses less digits than its factorization.

9923973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 91854, while the sum is 42.

The square root of 9923973 is about 3150.2338008472. The cubic root of 9923973 is about 214.8960954577.

The spelling of 9923973 in words is "nine million, nine hundred twenty-three thousand, nine hundred seventy-three".