348857 has 4 divisors (see below), whose sum is σ = 369396. Its totient is φ = 328320.

The previous prime is 348851. The next prime is 348883. The reversal of 348857 is 758843.

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

It can be written as a sum of positive squares in 2 ways, for example, as 249001 + 99856 = 499^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 348857 - 2¹⁴ = 332473 is a prime.

It is a super-3 number, since 3×348857³ = 127368953334536379, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348851) 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, 10244 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (92349).

2³⁴⁸⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

348857 is a deficient number, since it is larger than the sum of its proper divisors (20539).

348857 is a wasteful number, since it uses less digits than its factorization.

348857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20538.

The product of its digits is 26880, while the sum is 35.

The square root of 348857 is about 590.6411770271. The cubic root of 348857 is about 70.3961887787.

The spelling of 348857 in words is "three hundred forty-eight thousand, eight hundred fifty-seven".