343385 has 8 divisors (see below), whose sum is σ = 470976. Its totient is φ = 235440.

The previous prime is 343381. The next prime is 343391. The reversal of 343385 is 583343.

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

It is not a de Polignac number, because 343385 - 2² = 343381 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343385.

It is not an unprimeable number, because it can be changed into a prime (343381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 4940.

It is an arithmetic number, because the mean of its divisors is an integer number (58872).

2³⁴³³⁸⁵ is an apocalyptic number.

343385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343385 is a deficient number, since it is larger than the sum of its proper divisors (127591).

343385 is an equidigital number, since it uses as much as digits as its factorization.

343385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823.

The product of its digits is 4320, while the sum is 26.

The square root of 343385 is about 585.9906142593. The cubic root of 343385 is about 70.0261806831.

It can be divided in two parts, 34338 and 5, that added together give a palindrome (34343).

The spelling of 343385 in words is "three hundred forty-three thousand, three hundred eighty-five".