8697231 has 24 divisors (see below), whose sum is σ = 13344240. Its totient is φ = 5443200.

The previous prime is 8697163. The next prime is 8697233. The reversal of 8697231 is 1327968.

8697231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8697231 - 2⁷ = 8697103 is a prime.

It is a super-2 number, since 2×8697231² = 151283654134722, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697233) 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, 30811 + ... + 31091.

It is an arithmetic number, because the mean of its divisors is an integer number (556010).

Almost surely, 2^8697231 is an apocalyptic number.

8697231 is a deficient number, since it is larger than the sum of its proper divisors (4647009).

8697231 is a wasteful number, since it uses less digits than its factorization.

8697231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 484 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 8697231 is about 2949.1068139354. The cubic root of 8697231 is about 205.6491892657.

It can be divided in two parts, 869 and 7231, that added together give a square (8100 = 90²).

The spelling of 8697231 in words is "eight million, six hundred ninety-seven thousand, two hundred thirty-one".