343552216 has 32 divisors (see below), whose sum is σ = 741818880. Its totient is φ = 146109600.

The previous prime is 343552213. The next prime is 343552217. The reversal of 343552216 is 612255343.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343552211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16080 + ... + 30751.

It is an arithmetic number, because the mean of its divisors is an integer number (23181840).

Almost surely, 2^343552216 is an apocalyptic number.

It is an amenable number.

343552216 is an abundant number, since it is smaller than the sum of its proper divisors (398266664).

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

343552216 is a wasteful number, since it uses less digits than its factorization.

343552216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46975 (or 46971 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 343552216 is about 18535.1616124597. The cubic root of 343552216 is about 700.3754557254.

The spelling of 343552216 in words is "three hundred forty-three million, five hundred fifty-two thousand, two hundred sixteen".