9982723 has 4 divisors (see below), whose sum is σ = 10569960. Its totient is φ = 9395488.

The previous prime is 9982703. The next prime is 9982729. The reversal of 9982723 is 3272899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3272899 = 7 ⋅467557.

It is a cyclic number.

It is not a de Polignac number, because 9982723 - 2⁹ = 9982211 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9982729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293593 + ... + 293626.

It is an arithmetic number, because the mean of its divisors is an integer number (2642490).

Almost surely, 2^9982723 is an apocalyptic number.

9982723 is a deficient number, since it is larger than the sum of its proper divisors (587237).

9982723 is a wasteful number, since it uses less digits than its factorization.

9982723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587236.

The product of its digits is 54432, while the sum is 40.

The square root of 9982723 is about 3159.5447456873. The cubic root of 9982723 is about 215.3193235866.

It can be divided in two parts, 998 and 2723, that added together give a square (3721 = 61²).

The spelling of 9982723 in words is "nine million, nine hundred eighty-two thousand, seven hundred twenty-three".