855967 has 8 divisors (see below), whose sum is σ = 1035936. Its totient is φ = 690432.

The previous prime is 855947. The next prime is 855983. The reversal of 855967 is 769558.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855967 is a prime.

It is a Duffinian number.

855967 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855937) 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 7 ways as a sum of consecutive naturals, for example, 3478 + ... + 3715.

It is an arithmetic number, because the mean of its divisors is an integer number (129492).

2⁸⁵⁵⁹⁶⁷ is an apocalyptic number.

855967 is a deficient number, since it is larger than the sum of its proper divisors (179969).

855967 is a wasteful number, since it uses less digits than its factorization.

855967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217.

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

The square root of 855967 is about 925.1848463956. The cubic root of 855967 is about 94.9479678134.

The spelling of 855967 in words is "eight hundred fifty-five thousand, nine hundred sixty-seven".