343455 has 16 divisors (see below), whose sum is σ = 628224. Its totient is φ = 156960.

The previous prime is 343433. The next prime is 343481. The reversal of 343455 is 554343.

It is a happy number.

It is not a de Polignac number, because 343455 - 2⁵ = 343423 is a prime.

It is a super-2 number, since 2×343455² = 235922674050, which contains 22 as substring.

343455 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (39264).

2³⁴³⁴⁵⁵ is an apocalyptic number.

343455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

343455 is a deficient number, since it is larger than the sum of its proper divisors (284769).

343455 is a wasteful number, since it uses less digits than its factorization.

343455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286.

The product of its digits is 3600, while the sum is 24.

The square root of 343455 is about 586.0503391348. The cubic root of 343455 is about 70.0309387046.

Adding to 343455 its reverse (554343), we get a palindrome (897798).

The spelling of 343455 in words is "three hundred forty-three thousand, four hundred fifty-five".