346605349 has 4 divisors (see below), whose sum is σ = 355059180. Its totient is φ = 338151520.

The previous prime is 346605323. The next prime is 346605359. The reversal of 346605349 is 943506643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943506643 = 2131 ⋅442753.

It can be written as a sum of positive squares in 2 ways, for example, as 131836324 + 214769025 = 11482^2 + 14655^2 .

It is a cyclic number.

It is not a de Polignac number, because 346605349 - 2⁷ = 346605221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346605359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226854 + ... + 4226935.

It is an arithmetic number, because the mean of its divisors is an integer number (88764795).

Almost surely, 2^346605349 is an apocalyptic number.

It is an amenable number.

346605349 is a deficient number, since it is larger than the sum of its proper divisors (8453831).

346605349 is an equidigital number, since it uses as much as digits as its factorization.

346605349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453830.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 346605349 is about 18617.3400087123. The cubic root of 346605349 is about 702.4440748614. Note that the first 3 decimals are identical.

The spelling of 346605349 in words is "three hundred forty-six million, six hundred five thousand, three hundred forty-nine".