347982149 has 2 divisors, whose sum is σ = 347982150. Its totient is φ = 347982148.

The previous prime is 347982127. The next prime is 347982209. The reversal of 347982149 is 941289743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345030625 + 2951524 = 18575^2 + 1718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347982149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347982119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173991074 + 173991075.

It is an arithmetic number, because the mean of its divisors is an integer number (173991075).

Almost surely, 2^347982149 is an apocalyptic number.

It is an amenable number.

347982149 is a deficient number, since it is larger than the sum of its proper divisors (1).

347982149 is an equidigital number, since it uses as much as digits as its factorization.

347982149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 347982149 is about 18654.2796430203. The cubic root of 347982149 is about 703.3729384544.

The spelling of 347982149 in words is "three hundred forty-seven million, nine hundred eighty-two thousand, one hundred forty-nine".