343398 has 32 divisors (see below), whose sum is σ = 772992. Its totient is φ = 101640.

The previous prime is 343393. The next prime is 343411. The reversal of 343398 is 893343.

It is a happy number.

Its product of digits (7776) is a multiple of the sum of its prime factors (81).

It is a Curzon number.

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 343398.

It is not an unprimeable number, because it can be changed into a prime (343391) by changing a digit.

343398 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, 7965 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (24156).

2³⁴³³⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386496).

343398 is an abundant number, since it is smaller than the sum of its proper divisors (429594).

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

343398 is a wasteful number, since it uses less digits than its factorization.

343398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 59 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 343398 is about 586.0017064822. The cubic root of 343398 is about 70.0270643646.

Subtracting 343398 from its reverse (893343), we obtain a palindrome (549945).

It can be divided in two parts, 343 and 398, that added together give a triangular number (741 = T₃₈).

The spelling of 343398 in words is "three hundred forty-three thousand, three hundred ninety-eight".