343863 has 12 divisors (see below), whose sum is σ = 535080. Its totient is φ = 211536.

The previous prime is 343831. The next prime is 343891. The reversal of 343863 is 368343.

It is not a de Polignac number, because 343863 - 2⁵ = 343831 is a prime.

It is a d-powerful number, because it can be written as 3³ + 4⁶ + 8³ + 3⁵ + 6⁷ + 3¹⁰ .

343863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343813) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1353 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (44590).

2³⁴³⁸⁶³ is an apocalyptic number.

343863 is a deficient number, since it is larger than the sum of its proper divisors (191217).

343863 is a wasteful number, since it uses less digits than its factorization.

343863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 2955 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 343863 is about 586.3983287834. The cubic root of 343863 is about 70.0586583150.

The spelling of 343863 in words is "three hundred forty-three thousand, eight hundred sixty-three".