857894 has 16 divisors (see below), whose sum is σ = 1351296. Its totient is φ = 408000.

The previous prime is 857873. The next prime is 857897. The reversal of 857894 is 498758.

857894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6194 + ... + 6330.

It is an arithmetic number, because the mean of its divisors is an integer number (84456).

2⁸⁵⁷⁸⁹⁴ is an apocalyptic number.

857894 is a deficient number, since it is larger than the sum of its proper divisors (493402).

857894 is a wasteful number, since it uses less digits than its factorization.

857894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 80640, while the sum is 41.

The square root of 857894 is about 926.2256744444. The cubic root of 857894 is about 95.0191651085.

The spelling of 857894 in words is "eight hundred fifty-seven thousand, eight hundred ninety-four".