343966 has 16 divisors (see below), whose sum is σ = 599040. Its totient is φ = 145080.

The previous prime is 343963. The next prime is 343997. The reversal of 343966 is 669343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343963) 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 7 ways as a sum of consecutive naturals, for example, 951 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2³⁴³⁹⁶⁶ is an apocalyptic number.

343966 is a deficient number, since it is larger than the sum of its proper divisors (255074).

343966 is a wasteful number, since it uses less digits than its factorization.

343966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its digits is 11664, while the sum is 31.

The square root of 343966 is about 586.4861464690. The cubic root of 343966 is about 70.0656526911.

The spelling of 343966 in words is "three hundred forty-three thousand, nine hundred sixty-six".