857341 has 2 divisors, whose sum is σ = 857342. Its totient is φ = 857340.

The previous prime is 857333. The next prime is 857347. The reversal of 857341 is 143758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 29241 = 910^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 857341 - 2³ = 857333 is a prime.

It is a Chen prime.

857341 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428670 + 428671.

It is an arithmetic number, because the mean of its divisors is an integer number (428671).

2⁸⁵⁷³⁴¹ is an apocalyptic number.

It is an amenable number.

857341 is a deficient number, since it is larger than the sum of its proper divisors (1).

857341 is an equidigital number, since it uses as much as digits as its factorization.

857341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 857341 is about 925.9271029622. The cubic root of 857341 is about 94.9987442124.

The spelling of 857341 in words is "eight hundred fifty-seven thousand, three hundred forty-one".