343969516 has 12 divisors (see below), whose sum is σ = 656669160. Its totient is φ = 156349760.

The previous prime is 343969481. The next prime is 343969519. The reversal of 343969516 is 615969343.

It is not an unprimeable number, because it can be changed into a prime (343969519) 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, 3908701 + ... + 3908788.

It is an arithmetic number, because the mean of its divisors is an integer number (54722430).

Almost surely, 2^343969516 is an apocalyptic number.

It is an amenable number.

343969516 is a deficient number, since it is larger than the sum of its proper divisors (312699644).

343969516 is a wasteful number, since it uses less digits than its factorization.

343969516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817504 (or 7817502 counting only the distinct ones).

The product of its digits is 524880, while the sum is 46.

The square root of 343969516 is about 18546.4151792199. The cubic root of 343969516 is about 700.6589142593.

The spelling of 343969516 in words is "three hundred forty-three million, nine hundred sixty-nine thousand, five hundred sixteen".