8660231 has 4 divisors (see below), whose sum is σ = 8802264. Its totient is φ = 8518200.

The previous prime is 8660227. The next prime is 8660233. The reversal of 8660231 is 1320668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8660231 - 2² = 8660227 is a prime.

It is a super-2 number, since 2×8660231² = 149999201946722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8660231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8660233) 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, 70925 + ... + 71046.

It is an arithmetic number, because the mean of its divisors is an integer number (2200566).

Almost surely, 2^8660231 is an apocalyptic number.

8660231 is a deficient number, since it is larger than the sum of its proper divisors (142033).

8660231 is a wasteful number, since it uses less digits than its factorization.

8660231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142032.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 8660231 is about 2942.8270421484. The cubic root of 8660231 is about 205.3571485866.

Adding to 8660231 its reverse (1320668), we get a palindrome (9980899).

The spelling of 8660231 in words is "eight million, six hundred sixty thousand, two hundred thirty-one".