343828361 has 2 divisors, whose sum is σ = 343828362. Its totient is φ = 343828360.

The previous prime is 343828339. The next prime is 343828369. The reversal of 343828361 is 163828343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296493961 + 47334400 = 17219^2 + 6880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343828361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343828369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171914180 + 171914181.

It is an arithmetic number, because the mean of its divisors is an integer number (171914181).

Almost surely, 2^343828361 is an apocalyptic number.

It is an amenable number.

343828361 is a deficient number, since it is larger than the sum of its proper divisors (1).

343828361 is an equidigital number, since it uses as much as digits as its factorization.

343828361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 343828361 is about 18542.6093363367. The cubic root of 343828361 is about 700.5630578570.

The spelling of 343828361 in words is "three hundred forty-three million, eight hundred twenty-eight thousand, three hundred sixty-one".