856070 has 8 divisors (see below), whose sum is σ = 1540944. Its totient is φ = 342424.

The previous prime is 856061. The next prime is 856073. The reversal of 856070 is 70658.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856073) by changing a digit.

856070 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42794 + ... + 42813.

It is an arithmetic number, because the mean of its divisors is an integer number (192618).

2⁸⁵⁶⁰⁷⁰ is an apocalyptic number.

856070 is a deficient number, since it is larger than the sum of its proper divisors (684874).

856070 is a wasteful number, since it uses less digits than its factorization.

856070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85614.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 856070 is about 925.2405092731. The cubic root of 856070 is about 94.9517760787.

The spelling of 856070 in words is "eight hundred fifty-six thousand, seventy".