346020643 has 4 divisors (see below), whose sum is σ = 346379440. Its totient is φ = 345661848.

The previous prime is 346020641. The next prime is 346020673.

346020643 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 346020643 - 2¹ = 346020641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346020641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177948 + ... + 179881.

It is an arithmetic number, because the mean of its divisors is an integer number (86594860).

Almost surely, 2^346020643 is an apocalyptic number.

346020643 is a deficient number, since it is larger than the sum of its proper divisors (358797).

346020643 is an equidigital number, since it uses as much as digits as its factorization.

346020643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358796.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 346020643 is about 18601.6301167398. The cubic root of 346020643 is about 702.0488564574.

The spelling of 346020643 in words is "three hundred forty-six million, twenty thousand, six hundred forty-three".