8867231 has 2 divisors, whose sum is σ = 8867232. Its totient is φ = 8867230.

The previous prime is 8867207. The next prime is 8867233. The reversal of 8867231 is 1327688.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8867231 - 2¹⁴ = 8850847 is a prime.

It is a super-2 number, since 2×8867231² = 157255571214722, which contains 22 as substring.

Together with 8867233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8867191 and 8867200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8867233) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4433615 + 4433616.

It is an arithmetic number, because the mean of its divisors is an integer number (4433616).

Almost surely, 2^8867231 is an apocalyptic number.

8867231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8867231 is an equidigital number, since it uses as much as digits as its factorization.

8867231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 8867231 is about 2977.7896164773. The cubic root of 8867231 is about 206.9804566643.

The spelling of 8867231 in words is "eight million, eight hundred sixty-seven thousand, two hundred thirty-one".