346005643 has 2 divisors, whose sum is σ = 346005644. Its totient is φ = 346005642.

The previous prime is 346005557. The next prime is 346005659. The reversal of 346005643 is 346500643.

It is a strong prime.

It is an emirp because it is prime and its reverse (346500643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346005643 - 2¹³ = 345997451 is a prime.

It is not a weakly prime, because it can be changed into another prime (346005343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173002821 + 173002822.

It is an arithmetic number, because the mean of its divisors is an integer number (173002822).

Almost surely, 2^346005643 is an apocalyptic number.

346005643 is a deficient number, since it is larger than the sum of its proper divisors (1).

346005643 is an equidigital number, since it uses as much as digits as its factorization.

346005643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 346005643 is about 18601.2269218995. The cubic root of 346005643 is about 702.0387117014.

The spelling of 346005643 in words is "three hundred forty-six million, five thousand, six hundred forty-three".