1000000349 has 2 divisors, whose sum is σ = 1000000350. Its totient is φ = 1000000348.

The previous prime is 1000000321. The next prime is 1000000363. The reversal of 1000000349 is 9430000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962116324 + 37884025 = 31018^2 + 6155^2 .

It is an emirp because it is prime and its reverse (9430000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000000349 - 2⁸ = 1000000093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000006349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000174 + 500000175.

It is an arithmetic number, because the mean of its divisors is an integer number (500000175).

Almost surely, 2^1000000349 is an apocalyptic number.

It is an amenable number.

1000000349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000349 is an equidigital number, since it uses as much as digits as its factorization.

1000000349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1000000349 is about 31622.7821198578. The cubic root of 1000000349 is about 1000.0001163333. Note that the first 3 decimals are identical.

The spelling of 1000000349 in words is "one billion, three hundred forty-nine", and thus it is an aban number.