857068 has 12 divisors (see below), whose sum is σ = 1540672. Its totient is φ = 416880.

The previous prime is 857053. The next prime is 857069. The reversal of 857068 is 860758.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (857069) by changing a digit.

857068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748 + ... + 3043.

2⁸⁵⁷⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

857068 is a deficient number, since it is larger than the sum of its proper divisors (683604).

857068 is a wasteful number, since it uses less digits than its factorization.

857068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832 (or 5830 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 857068 is about 925.7796714122. The cubic root of 857068 is about 94.9886597729.

The spelling of 857068 in words is "eight hundred fifty-seven thousand, sixty-eight".