867081 has 8 divisors (see below), whose sum is σ = 1160640. Its totient is φ = 575792.

The previous prime is 867079. The next prime is 867091. The reversal of 867081 is 180768.

867081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 867081 - 2¹ = 867079 is a prime.

It is a super-2 number, since 2×867081² = 1503658921122, which contains 22 as substring.

867081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (867001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (145080).

2⁸⁶⁷⁰⁸¹ is an apocalyptic number.

It is an amenable number.

867081 is a deficient number, since it is larger than the sum of its proper divisors (293559).

867081 is a wasteful number, since it uses less digits than its factorization.

867081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 867081 is about 931.1718423578. The cubic root of 867081 is about 95.3571413742.

The spelling of 867081 in words is "eight hundred sixty-seven thousand, eighty-one".