343307828 has 12 divisors (see below), whose sum is σ = 600922980. Its totient is φ = 171615552.

The previous prime is 343307819. The next prime is 343307863. The reversal of 343307828 is 828703343.

It can be written as a sum of positive squares in 2 ways, for example, as 23541904 + 319765924 = 4852^2 + 17882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343307791 and 343307800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22400 + ... + 34472.

It is an arithmetic number, because the mean of its divisors is an integer number (50076915).

Almost surely, 2^343307828 is an apocalyptic number.

It is an amenable number.

343307828 is a deficient number, since it is larger than the sum of its proper divisors (257615152).

343307828 is a wasteful number, since it uses less digits than its factorization.

343307828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19186 (or 19184 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 343307828 is about 18528.5678885336. The cubic root of 343307828 is about 700.2093441894.

The spelling of 343307828 in words is "three hundred forty-three million, three hundred seven thousand, eight hundred twenty-eight".