9723872 has 12 divisors (see below), whose sum is σ = 19143936. Its totient is φ = 4861920.

The previous prime is 9723869. The next prime is 9723887. The reversal of 9723872 is 2783279.

9723872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151904 + ... + 151967.

It is an arithmetic number, because the mean of its divisors is an integer number (1595328).

Almost surely, 2^9723872 is an apocalyptic number.

It is an amenable number.

9723872 is a deficient number, since it is larger than the sum of its proper divisors (9420064).

9723872 is a wasteful number, since it uses less digits than its factorization.

9723872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303881 (or 303873 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 9723872 is about 3118.3123640841. The cubic root of 9723872 is about 213.4419325544.

The spelling of 9723872 in words is "nine million, seven hundred twenty-three thousand, eight hundred seventy-two".