346326643 has 4 divisors (see below), whose sum is σ = 372967168. Its totient is φ = 319686120.

The previous prime is 346326619. The next prime is 346326649. The reversal of 346326643 is 346623643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346623643 = 59 ⋅5874977.

It is not a de Polignac number, because 346326643 - 2⁵ = 346326611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346326649) 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, 13320243 + ... + 13320268.

It is an arithmetic number, because the mean of its divisors is an integer number (93241792).

Almost surely, 2^346326643 is an apocalyptic number.

346326643 is a deficient number, since it is larger than the sum of its proper divisors (26640525).

346326643 is a wasteful number, since it uses less digits than its factorization.

346326643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26640524.

The product of its digits is 186624, while the sum is 37.

The square root of 346326643 is about 18609.8533846992. The cubic root of 346326643 is about 702.2557455153.

The spelling of 346326643 in words is "three hundred forty-six million, three hundred twenty-six thousand, six hundred forty-three".