343128 has 48 divisors (see below), whose sum is σ = 940680. Its totient is φ = 103936.

The previous prime is 343127. The next prime is 343141. The reversal of 343128 is 821343.

It is a happy number.

343128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343128.

It is not an unprimeable number, because it can be changed into a prime (343127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11818 + ... + 11846.

2³⁴³¹²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470340).

343128 is an abundant number, since it is smaller than the sum of its proper divisors (597552).

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

343128 is a wasteful number, since it uses less digits than its factorization.

343128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 51 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 343128 is about 585.7712864250. The cubic root of 343128 is about 70.0087064001.

The spelling of 343128 in words is "three hundred forty-three thousand, one hundred twenty-eight".