9867231 has 16 divisors (see below), whose sum is σ = 15947520. Its totient is φ = 5979960.

The previous prime is 9867211. The next prime is 9867233. The reversal of 9867231 is 1327689.

It is not a de Polignac number, because 9867231 - 2¹³ = 9859039 is a prime.

It is a super-2 number, since 2×9867231² = 194724495214722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9867233) 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, 16315 + ... + 16908.

It is an arithmetic number, because the mean of its divisors is an integer number (996720).

Almost surely, 2^9867231 is an apocalyptic number.

9867231 is a deficient number, since it is larger than the sum of its proper divisors (6080289).

9867231 is a wasteful number, since it uses less digits than its factorization.

9867231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33243 (or 33237 counting only the distinct ones).

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

The square root of 9867231 is about 3141.2148923625. The cubic root of 9867231 is about 214.4857440768.

The spelling of 9867231 in words is "nine million, eight hundred sixty-seven thousand, two hundred thirty-one".