343008216 has 64 divisors (see below), whose sum is σ = 1002960000. Its totient is φ = 108317088.

The previous prime is 343008203. The next prime is 343008233. The reversal of 343008216 is 612800343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 343008216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37686 + ... + 45893.

It is an arithmetic number, because the mean of its divisors is an integer number (15671250).

Almost surely, 2^343008216 is an apocalyptic number.

343008216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

343008216 is an abundant number, since it is smaller than the sum of its proper divisors (659951784).

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

343008216 is a wasteful number, since it uses less digits than its factorization.

343008216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83613 (or 83603 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 343008216 is about 18520.4809872746. The cubic root of 343008216 is about 700.0055890710.

Adding to 343008216 its reverse (612800343), we get a palindrome (955808559).

The spelling of 343008216 in words is "three hundred forty-three million, eight thousand, two hundred sixteen".