867955 has 16 divisors (see below), whose sum is σ = 1165824. Its totient is φ = 614880.

The previous prime is 867947. The next prime is 867959. The reversal of 867955 is 559768.

It is a happy number.

It is not a de Polignac number, because 867955 - 2³ = 867947 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (867959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (72864).

2⁸⁶⁷⁹⁵⁵ is an apocalyptic number.

867955 is a deficient number, since it is larger than the sum of its proper divisors (297869).

867955 is a wasteful number, since it uses less digits than its factorization.

867955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 75600, while the sum is 40.

The square root of 867955 is about 931.6410252882. The cubic root of 867955 is about 95.3891699678.

The spelling of 867955 in words is "eight hundred sixty-seven thousand, nine hundred fifty-five".