349623707 has 2 divisors, whose sum is σ = 349623708. Its totient is φ = 349623706.

The previous prime is 349623691. The next prime is 349623709. The reversal of 349623707 is 707326943.

It is a strong prime.

It is an emirp because it is prime and its reverse (707326943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349623707 - 2⁴ = 349623691 is a prime.

Together with 349623709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (349623709) 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, 174811853 + 174811854.

It is an arithmetic number, because the mean of its divisors is an integer number (174811854).

Almost surely, 2^349623707 is an apocalyptic number.

349623707 is a deficient number, since it is larger than the sum of its proper divisors (1).

349623707 is an equidigital number, since it uses as much as digits as its factorization.

349623707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 349623707 is about 18698.2273758771. The cubic root of 349623707 is about 704.4772255775.

The spelling of 349623707 in words is "three hundred forty-nine million, six hundred twenty-three thousand, seven hundred seven".