343860 has 48 divisors (see below), whose sum is σ = 1052352. Its totient is φ = 83200.

The previous prime is 343831. The next prime is 343891. The reversal of 343860 is 68343.

343860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 343860.

It is a congruent number.

It is an unprimeable number.

343860 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 15 ways as a sum of consecutive naturals, for example, 400 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (21924).

2³⁴³⁸⁶⁰ is an apocalyptic number.

343860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526176).

343860 is an abundant number, since it is smaller than the sum of its proper divisors (708492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343860 is a wasteful number, since it uses less digits than its factorization.

343860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 343860 is about 586.3957707897. The cubic root of 343860 is about 70.0584545744.

The spelling of 343860 in words is "three hundred forty-three thousand, eight hundred sixty".