343409827 has 2 divisors, whose sum is σ = 343409828. Its totient is φ = 343409826.

The previous prime is 343409821. The next prime is 343409861. The reversal of 343409827 is 728904343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343409827 - 2⁷ = 343409699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343409827.

It is not a weakly prime, because it can be changed into another prime (343409821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171704913 + 171704914.

It is an arithmetic number, because the mean of its divisors is an integer number (171704914).

Almost surely, 2^343409827 is an apocalyptic number.

343409827 is a deficient number, since it is larger than the sum of its proper divisors (1).

343409827 is an equidigital number, since it uses as much as digits as its factorization.

343409827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 343409827 is about 18531.3201634422. The cubic root of 343409827 is about 700.2786829140.

The spelling of 343409827 in words is "three hundred forty-three million, four hundred nine thousand, eight hundred twenty-seven".