346212641 has 2 divisors, whose sum is σ = 346212642. Its totient is φ = 346212640.

The previous prime is 346212613. The next prime is 346212679. The reversal of 346212641 is 146212643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277389025 + 68823616 = 16655^2 + 8296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346212641 is a prime.

It is not a weakly prime, because it can be changed into another prime (346212611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173106320 + 173106321.

It is an arithmetic number, because the mean of its divisors is an integer number (173106321).

Almost surely, 2^346212641 is an apocalyptic number.

It is an amenable number.

346212641 is a deficient number, since it is larger than the sum of its proper divisors (1).

346212641 is an equidigital number, since it uses as much as digits as its factorization.

346212641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 346212641 is about 18606.7901853060. The cubic root of 346212641 is about 702.1786820963.

The spelling of 346212641 in words is "three hundred forty-six million, two hundred twelve thousand, six hundred forty-one".