8231997 has 16 divisors (see below), whose sum is σ = 11648000. Its totient is φ = 5156784.

The previous prime is 8231947. The next prime is 8232001. The reversal of 8231997 is 7991328.

It is not a de Polignac number, because 8231997 - 2⁶ = 8231933 is a prime.

It is a Smith number, since the sum of its digits (39) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7404 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (728000).

Almost surely, 2^8231997 is an apocalyptic number.

It is an amenable number.

8231997 is a deficient number, since it is larger than the sum of its proper divisors (3416003).

8231997 is a wasteful number, since it uses less digits than its factorization.

8231997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its digits is 27216, while the sum is 39.

The square root of 8231997 is about 2869.1456916650. The cubic root of 8231997 is about 201.9149153150.

The spelling of 8231997 in words is "eight million, two hundred thirty-one thousand, nine hundred ninety-seven".