867089 has 4 divisors (see below), whose sum is σ = 873840. Its totient is φ = 860340.

The previous prime is 867079. The next prime is 867091. The reversal of 867089 is 980768.

867089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 867089.

It is not an unprimeable number, because it can be changed into a prime (867059) 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, 3179 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (218460).

2⁸⁶⁷⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

867089 is a deficient number, since it is larger than the sum of its proper divisors (6751).

867089 is a wasteful number, since it uses less digits than its factorization.

867089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 867089 is about 931.1761380104. The cubic root of 867089 is about 95.3574346397.

The spelling of 867089 in words is "eight hundred sixty-seven thousand, eighty-nine".