341857 has 4 divisors (see below), whose sum is σ = 345280. Its totient is φ = 338436.

The previous prime is 341851. The next prime is 341863. The reversal of 341857 is 758143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758143 = 607 ⋅1249.

It is an interprime number because it is at equal distance from previous prime (341851) and next prime (341863).

It is a cyclic number.

It is not a de Polignac number, because 341857 - 2⁷ = 341729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (341851) 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, 1557 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (86320).

2³⁴¹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

341857 is a deficient number, since it is larger than the sum of its proper divisors (3423).

341857 is a wasteful number, since it uses less digits than its factorization.

341857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422.

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

The square root of 341857 is about 584.6853854852. The cubic root of 341857 is about 69.9221583683.

It can be divided in two parts, 34 and 1857, that added together give a triangular number (1891 = T₆₁).

The spelling of 341857 in words is "three hundred forty-one thousand, eight hundred fifty-seven".