867612 has 24 divisors (see below), whose sum is σ = 2144016. Its totient is φ = 272128.

The previous prime is 867589. The next prime is 867617. The reversal of 867612 is 216768.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 867612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (89334).

2⁸⁶⁷⁶¹² is an apocalyptic number.

It is an amenable number.

867612 is an abundant number, since it is smaller than the sum of its proper divisors (1276404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867612 is a wasteful number, since it uses less digits than its factorization.

867612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277 (or 4275 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 867612 is about 931.4569233196. The cubic root of 867612 is about 95.3766029583.

The spelling of 867612 in words is "eight hundred sixty-seven thousand, six hundred twelve".