343684 has 24 divisors (see below), whose sum is σ = 671328. Its totient is φ = 152640.

The previous prime is 343667. The next prime is 343687. The reversal of 343684 is 486343.

It is a d-powerful number, because it can be written as 3³ + 4³ + 6⁷ + 3¹⁰ + 8³ + 4⁶ .

It is not an unprimeable number, because it can be changed into a prime (343687) 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, 3159 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2³⁴³⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

343684 is a deficient number, since it is larger than the sum of its proper divisors (327644).

343684 is a wasteful number, since it uses less digits than its factorization.

343684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 193 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 343684 is about 586.2456822869. The cubic root of 343684 is about 70.0464997165.

The spelling of 343684 in words is "three hundred forty-three thousand, six hundred eighty-four".