343340320 has 96 divisors (see below), whose sum is σ = 857848320. Its totient is φ = 129592320.

The previous prime is 343340287. The next prime is 343340323. The reversal of 343340320 is 23043343.

It is a junction number, because it is equal to n+sod(n) for n = 343340291 and 343340300.

It is not an unprimeable number, because it can be changed into a prime (343340323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290130 + ... + 291310.

It is an arithmetic number, because the mean of its divisors is an integer number (8935920).

Almost surely, 2^343340320 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 343340320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428924160).

343340320 is an abundant number, since it is smaller than the sum of its proper divisors (514508000).

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

343340320 is a wasteful number, since it uses less digits than its factorization.

343340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 343340320 is about 18529.4446759745. Note that the first 3 decimals coincide. The cubic root of 343340320 is about 700.2314336792.

Adding to 343340320 its reverse (23043343), we get a palindrome (366383663).

The spelling of 343340320 in words is "three hundred forty-three million, three hundred forty thousand, three hundred twenty".