867144 has 16 divisors (see below), whose sum is σ = 2167920. Its totient is φ = 289040.

The previous prime is 867143. The next prime is 867151. The reversal of 867144 is 441768.

867144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 867144.

It is not an unprimeable number, because it can be changed into a prime (867143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18042 + ... + 18089.

It is an arithmetic number, because the mean of its divisors is an integer number (135495).

2⁸⁶⁷¹⁴⁴ is an apocalyptic number.

It is an amenable number.

867144 is an abundant number, since it is smaller than the sum of its proper divisors (1300776).

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

867144 is a wasteful number, since it uses less digits than its factorization.

867144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36140 (or 36136 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 867144 is about 931.2056700858. The cubic root of 867144 is about 95.3594507911.

The spelling of 867144 in words is "eight hundred sixty-seven thousand, one hundred forty-four".