349866479 has 2 divisors, whose sum is σ = 349866480. Its totient is φ = 349866478.

The previous prime is 349866463. The next prime is 349866523. The reversal of 349866479 is 974668943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349866479 - 2⁴ = 349866463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349866379) 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, 174933239 + 174933240.

It is an arithmetic number, because the mean of its divisors is an integer number (174933240).

Almost surely, 2^349866479 is an apocalyptic number.

349866479 is a deficient number, since it is larger than the sum of its proper divisors (1).

349866479 is an equidigital number, since it uses as much as digits as its factorization.

349866479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 56.

The square root of 349866479 is about 18704.7180946413. The cubic root of 349866479 is about 704.6402463441.

The spelling of 349866479 in words is "three hundred forty-nine million, eight hundred sixty-six thousand, four hundred seventy-nine".