80346349 has 2 divisors, whose sum is σ = 80346350. Its totient is φ = 80346348.

The previous prime is 80346341. The next prime is 80346373. The reversal of 80346349 is 94364308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47513449 + 32832900 = 6893^2 + 5730^2 .

It is a cyclic number.

It is not a de Polignac number, because 80346349 - 2³ = 80346341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80346341) 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 as a sum of consecutive naturals, namely, 40173174 + 40173175.

It is an arithmetic number, because the mean of its divisors is an integer number (40173175).

Almost surely, 2^80346349 is an apocalyptic number.

It is an amenable number.

80346349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80346349 is an equidigital number, since it uses as much as digits as its factorization.

80346349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 80346349 is about 8963.6124972022. The cubic root of 80346349 is about 431.5078647114.

The spelling of 80346349 in words is "eighty million, three hundred forty-six thousand, three hundred forty-nine".