343490312 has 16 divisors (see below), whose sum is σ = 702594000. Its totient is φ = 156131920.

The previous prime is 343490243. The next prime is 343490317. The reversal of 343490312 is 213094343.

It is not an unprimeable number, because it can be changed into a prime (343490317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951562 + ... + 1951737.

It is an arithmetic number, because the mean of its divisors is an integer number (43912125).

Almost surely, 2^343490312 is an apocalyptic number.

It is an amenable number.

343490312 is an abundant number, since it is smaller than the sum of its proper divisors (359103688).

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

343490312 is a wasteful number, since it uses less digits than its factorization.

343490312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903316 (or 3903312 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 343490312 is about 18533.4916300194. The cubic root of 343490312 is about 700.3333867720. Note that the first 4 decimals are identical.

The spelling of 343490312 in words is "three hundred forty-three million, four hundred ninety thousand, three hundred twelve".