867231 has 12 divisors (see below), whose sum is σ = 1262352. Its totient is φ = 573696.

The previous prime is 867227. The next prime is 867233. The reversal of 867231 is 132768.

It is not a de Polignac number, because 867231 - 2² = 867227 is a prime.

It is a super-2 number, since 2×867231² = 1504179214722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 867195 and 867204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1215 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (105196).

2⁸⁶⁷²³¹ is an apocalyptic number.

867231 is a deficient number, since it is larger than the sum of its proper divisors (395121).

867231 is a wasteful number, since it uses less digits than its factorization.

867231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 747 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 867231 is about 931.2523825473. The cubic root of 867231 is about 95.3626398019.

Adding to 867231 its reverse (132768), we get a palindrome (999999).

The spelling of 867231 in words is "eight hundred sixty-seven thousand, two hundred thirty-one".