857944 has 8 divisors (see below), whose sum is σ = 1608660. Its totient is φ = 428968.

The previous prime is 857929. The next prime is 857951. The reversal of 857944 is 449758.

857944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53614 + ... + 53629.

2⁸⁵⁷⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

857944 is a deficient number, since it is larger than the sum of its proper divisors (750716).

857944 is a wasteful number, since it uses less digits than its factorization.

857944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107249 (or 107245 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 857944 is about 926.2526653133. The cubic root of 857944 is about 95.0210110498.

The spelling of 857944 in words is "eight hundred fifty-seven thousand, nine hundred forty-four".