855706 has 8 divisors (see below), whose sum is σ = 1301364. Its totient is φ = 421920.

The previous prime is 855697. The next prime is 855709. The reversal of 855706 is 607558.

855706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 855625 + 81 = 925^2 + 9^2 .

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

It is not an unprimeable number, because it can be changed into a prime (855709) 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, 2785 + ... + 3076.

2⁸⁵⁵⁷⁰⁶ is an apocalyptic number.

855706 is a deficient number, since it is larger than the sum of its proper divisors (445658).

855706 is a wasteful number, since it uses less digits than its factorization.

855706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 855706 is about 925.0437827476. The cubic root of 855706 is about 94.9383163748.

The spelling of 855706 in words is "eight hundred fifty-five thousand, seven hundred six".