867321 has 32 divisors (see below), whose sum is σ = 1585920. Its totient is φ = 456192.

The previous prime is 867319. The next prime is 867337. The reversal of 867321 is 123768.

It is not a de Polignac number, because 867321 - 2¹ = 867319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 867321.

It is not an unprimeable number, because it can be changed into a prime (867301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2281 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (49560).

2⁸⁶⁷³²¹ is an apocalyptic number.

It is an amenable number.

867321 is a deficient number, since it is larger than the sum of its proper divisors (718599).

867321 is a wasteful number, since it uses less digits than its factorization.

867321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 376 counting only the distinct ones).

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

The square root of 867321 is about 931.3007033177. The cubic root of 867321 is about 95.3659385542.

867321 divided by its sum of digits (27) gives a palindrome (32123).

The spelling of 867321 in words is "eight hundred sixty-seven thousand, three hundred twenty-one".