343506216 has 32 divisors (see below), whose sum is σ = 909282240. Its totient is φ = 107766528.

The previous prime is 343506211. The next prime is 343506223. The reversal of 343506216 is 612605343.

It is not an unprimeable number, because it can be changed into a prime (343506211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420556 + ... + 421371.

It is an arithmetic number, because the mean of its divisors is an integer number (28415070).

Almost surely, 2^343506216 is an apocalyptic number.

It is an amenable number.

343506216 is an abundant number, since it is smaller than the sum of its proper divisors (565776024).

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

343506216 is a wasteful number, since it uses less digits than its factorization.

343506216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841953 (or 841949 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 343506216 is about 18533.9206861365. The cubic root of 343506216 is about 700.3441953546.

The spelling of 343506216 in words is "three hundred forty-three million, five hundred six thousand, two hundred sixteen".