343540000 has 120 divisors (see below), whose sum is σ = 859084380. Its totient is φ = 135168000.

The previous prime is 343539997. The next prime is 343540013. The reversal of 343540000 is 45343.

It can be written as a sum of positive squares in 10 ways, for example, as 104775696 + 238764304 = 10236^2 + 15452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 343540000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1779904 + ... + 1780096.

Almost surely, 2^343540000 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 343540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429542190).

343540000 is an abundant number, since it is smaller than the sum of its proper divisors (515544380).

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

343540000 is an equidigital number, since it uses as much as digits as its factorization.

343540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 343540000 is about 18534.8320736930. The cubic root of 343540000 is about 700.3671543304.

Adding to 343540000 its reverse (45343), we get a palindrome (343585343).

The spelling of 343540000 in words is "three hundred forty-three million, five hundred forty thousand".