855071 has 16 divisors (see below), whose sum is σ = 1050624. Its totient is φ = 680064.

The previous prime is 855067. The next prime is 855079. The reversal of 855071 is 170558.

855071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 855071 - 2² = 855067 is a prime.

It is a super-2 number, since 2×855071² = 1462292830082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 855071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7511 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (65664).

2⁸⁵⁵⁰⁷¹ is an apocalyptic number.

855071 is a deficient number, since it is larger than the sum of its proper divisors (195553).

855071 is a wasteful number, since it uses less digits than its factorization.

855071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 855071 is about 924.7004920513. The cubic root of 855071 is about 94.9148267069.

The spelling of 855071 in words is "eight hundred fifty-five thousand, seventy-one".