343285 has 8 divisors (see below), whose sum is σ = 418176. Its totient is φ = 270480.

The previous prime is 343267. The next prime is 343289. The reversal of 343285 is 582343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343285 - 2⁵ = 343253 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 (343289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129 + ... + 838.

It is an arithmetic number, because the mean of its divisors is an integer number (52272).

2³⁴³²⁸⁵ is an apocalyptic number.

It is an amenable number.

343285 is a deficient number, since it is larger than the sum of its proper divisors (74891).

343285 is an equidigital number, since it uses as much as digits as its factorization.

343285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043.

The product of its digits is 2880, while the sum is 25.

The square root of 343285 is about 585.9052824476. The cubic root of 343285 is about 70.0193823878.

The spelling of 343285 in words is "three hundred forty-three thousand, two hundred eighty-five".