343693 has 8 divisors (see below), whose sum is σ = 403712. Its totient is φ = 286416.

The previous prime is 343687. The next prime is 343709. The reversal of 343693 is 396343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343693 - 2⁵ = 343661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343193) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 405 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (50464).

2³⁴³⁶⁹³ is an apocalyptic number.

It is an amenable number.

343693 is a deficient number, since it is larger than the sum of its proper divisors (60019).

343693 is a wasteful number, since it uses less digits than its factorization.

343693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its digits is 5832, while the sum is 28.

The square root of 343693 is about 586.2533581993. The cubic root of 343693 is about 70.0471111435.

Subtracting 343693 from its reverse (396343), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 343693 in words is "three hundred forty-three thousand, six hundred ninety-three".