343984 has 10 divisors (see below), whose sum is σ = 666500. Its totient is φ = 171984.

The previous prime is 343963. The next prime is 343997. The reversal of 343984 is 489343.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343984.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10734 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (66650).

2³⁴³⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

343984 is a deficient number, since it is larger than the sum of its proper divisors (322516).

343984 is a wasteful number, since it uses less digits than its factorization.

343984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21507 (or 21501 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 343984 is about 586.5014918992. The cubic root of 343984 is about 70.0668748659.

The spelling of 343984 in words is "three hundred forty-three thousand, nine hundred eighty-four".