857359 has 4 divisors (see below), whose sum is σ = 859320. Its totient is φ = 855400.

The previous prime is 857357. The next prime is 857369. The reversal of 857359 is 953758.

857359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 857359 - 2¹ = 857357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (214830).

857359 is a Friedman number, since it can be written as 95^3+8*(5-7), using all its digits and the basic arithmetic operations.

2⁸⁵⁷³⁵⁹ is an apocalyptic number.

857359 is a deficient number, since it is larger than the sum of its proper divisors (1961).

857359 is a wasteful number, since it uses less digits than its factorization.

857359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its digits is 37800, while the sum is 37.

The square root of 857359 is about 925.9368228988. The cubic root of 857359 is about 94.9994090453. Note that the first 3 decimals are identical.

The spelling of 857359 in words is "eight hundred fifty-seven thousand, three hundred fifty-nine".