857353 has 6 divisors (see below), whose sum is σ = 997386. Its totient is φ = 734832.

The previous prime is 857347. The next prime is 857357. The reversal of 857353 is 353758.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 405769 = 672^2 + 637^2 .

It is not a de Polignac number, because 857353 - 2⁵ = 857321 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 8700 + ... + 8797.

It is an arithmetic number, because the mean of its divisors is an integer number (166231).

2⁸⁵⁷³⁵³ is an apocalyptic number.

It is an amenable number.

857353 is a deficient number, since it is larger than the sum of its proper divisors (140033).

857353 is a wasteful number, since it uses less digits than its factorization.

857353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17511 (or 17504 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 857353 is about 925.9335829313. The cubic root of 857353 is about 94.9991874353. Note that the first 3 decimals are identical.

The spelling of 857353 in words is "eight hundred fifty-seven thousand, three hundred fifty-three".