343580605 has 4 divisors (see below), whose sum is σ = 412296732. Its totient is φ = 274864480.

The previous prime is 343580581. The next prime is 343580639. The reversal of 343580605 is 506085343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506085343 = 223 ⋅2269441.

It can be written as a sum of positive squares in 2 ways, for example, as 181629529 + 161951076 = 13477^2 + 12726^2 .

It is not a de Polignac number, because 343580605 - 2⁹ = 343580093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34358056 + ... + 34358065.

It is an arithmetic number, because the mean of its divisors is an integer number (103074183).

Almost surely, 2^343580605 is an apocalyptic number.

It is an amenable number.

343580605 is a deficient number, since it is larger than the sum of its proper divisors (68716127).

343580605 is an equidigital number, since it uses as much as digits as its factorization.

343580605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68716126.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 343580605 is about 18535.9274113814. The cubic root of 343580605 is about 700.3947467388.

The spelling of 343580605 in words is "three hundred forty-three million, five hundred eighty thousand, six hundred five".