857368 has 8 divisors (see below), whose sum is σ = 1607580. Its totient is φ = 428680.

The previous prime is 857357. The next prime is 857369. The reversal of 857368 is 863758.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53578 + ... + 53593.

2⁸⁵⁷³⁶⁸ is an apocalyptic number.

It is an amenable number.

857368 is a deficient number, since it is larger than the sum of its proper divisors (750212).

857368 is a wasteful number, since it uses less digits than its factorization.

857368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107177 (or 107173 counting only the distinct ones).

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

The square root of 857368 is about 925.9416828289. The cubic root of 857368 is about 94.9997414582. Note that the first 3 decimals are identical.

It can be divided in two parts, 857 and 368, that added together give a triangular number (1225 = T₄₉).

The spelling of 857368 in words is "eight hundred fifty-seven thousand, three hundred sixty-eight".